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EYEWITNESS NATUR AL D I S A S T E R S D V D a n d EYEWITNESS HURRICANE

AND TORNADO BOOK. Explores the forces that shape o u r p l a n e t a n d affect human lives. Fr o m p o w e r f u l h u r r i c a n e s a n d t o r n a d o e s t o earthquakes and avalanches, rare images of natural forces demonstrate the power and fury of these events. Fascinating DVD for ages 9-adult.NATURAL DISASTERS DVD. (35 minutes). #DVD-18090. $12.95.HURRICANE AND TORNADO BOOK. #BW-13421. $16.95.DVD & BOOK. #S-18091. $29.90. $26.95.

THE KID'S BOOK OF WEATHER FOREC ASTING . Breen, Friestad. This book helps children build their own weather equipment including barometers, hygrometers, rain gauges, and psychrometers. Students learn to record their observations, graph trends, read cloud and wind patterns, and ultimately measure the success of their predictions by seeing how the weather changes. Ages 7-13. #BW-9101. $12.95.

W E AT H E R ! R u p p . F e a t u r e s 2 2 experiments for making rain, tornados, lightning and rainbows. Beautifully illustrated pictures of actual weather phenomena along with clearly described experiments. Learn how to create your own weather log. Children learn by observing, measuring and predicting weather as well as understanding the effect that weather patterns have on human activity and behavior. Ages 6-12. #BW-12316. $14.95.

WEATHER WALL CLASSROOM MAP. This king-sized map can become the focal point of hands-on lessons on weather. The giant, easy to hang poster includes 19 colorful, movable, and meteorologically accurate weather

symbols. Students can check local weather forecasts in a newspaper or online and map approaching storms. Includes a 28" x 44" United States weather map and one sheet of imprinted static cling weather symbols. For grades 2 and up. #T-17288. $42.95 each. 3 or more, $39.95 each.

AMAZING WEATHER FACTS AND TRIVIA. Challoner. Over the years we have carried many

weather books, but this is by far the most riveting. This is one of those "can't put it down" books. Fascinating collection of facts, folklore, and trivia about the most extreme, incredible, and puzzling weather! Learn how a weatherman literally changed the course of WWII with his accurate prediction. What animal can be used to tell the temperature, and what is the real reason flu is more common in the winter? Finally, what city in the continental US holds the world record for the fastest temperature change? #BW-22188. $12.95 hardcover.

CLIMATE AND WEATHER. Includes 23 hands-on science experiments: Build a model of Earth and its atmosphere and then use it to conduct experiments that show how the global wind system works. Model Earth's heat reservoirs, thermals, and global and local winds. Recreate ocean currents in a small basin of water. Learn about the climatic zones and the composition of the atmosphere. Experiment to see how carbon dioxide levels af fect temperature. Explore the hydrological cycle to learn about humidity, clouds, and precipitation. Build a simple barometer, set up a rain gauge, and track the temperature. Ages 10 and up. #KIT-21157. $34.95.

W E A T H E R ( E A R L Y CHILDHOOD EDUCATION SERIES). Saunders-Smith. This

series teaches young children in grades K-1 various aspects of weather through the use of expository language and beautiful photographs. Each book in this series includes word lists, notes to teachers and parents, and useful internet links. These books capitalize on children's natural curiosity about weather-related phenomena. $5.95 each.

CLOUDS. #BW-13260.

LIGHTNING. #BW-13574.

RAIN. #BW-13575.

SNOW. #BW-13591.

SUNSHINE. #BW-13576.

WIND. #BW-13592.

ALL SIX. #BW-20214. $35.70. S32.95.

BASIC ILLUSTRATED WEATHER FORECASTING. Hodgson. Shows you how to build simple meteorological stations and to predict weather in microclimates w i t h i n m a j o r regions. Learn how to evaluate the geographic variations caused by mountains, v a l l e y s , a n d d e s e r t s a s well as develop predictive models. Useful for hikers and campers who want to understand microclimates to pick the best location for setting up camp! Ideal introduction to weather forecasting for ages 10-adult. #BW-19203. $9.95.

WEATHER PROJECTS FOR YOUNG SCIENTISTS. Carson. Contains over

4 0 w e a t h e r -related hands-on a c t i v i t i e s , i n c l u d i n g building weather-m e a s u r i n g t o o l s s u c h a s b a r o m e t e r s , psychrometers, anemometers , wind vanes, rain

gauges, thermometers, and a working weather station. Create a tornado in a bottle, calculate dew point, read a weather map and develop full-fledged science fair projects. Weather-related environmental issues such as global climate change, ozone depletion, and acid rain are also addressed in this resource for children ages 9-13. #BW-15220. $16.95.

T E AC H I N G AB O U T C LI M AT E CHANGE, Cool Schools Tackle Global Warming. Grant, Littlejohn, Editors. Climate change is often taught so abstractly that students have a difficult time relating it to their daily lives. This compendium offers teachers a framework for presenting the fundamental concepts through practical lessons. Students run experiments on greenhouse effects and learn how to conduct energy audits. Grades 4 and up. #EE-9372. $14.95.

WILD WEATHER BOOK: Loads of Things to do Outdoors in Rain, Wind, and Snow. Denks,

Schofield. No child will ever want to be left inside again after you introduce them to the activities shown in this book. Helps adults "let go" and let kids frolic in the rain, mud, wind and snow! This may sound counter-intuitive, but you will get the idea after you look at the pictures showing the pure joy on the faces of the kids. Step around the puddle? No way, jump in! Make a mud slide or mud sculpture! Yes, the kids will need a change of clothes, but what a ton of fun there is playing with rather than fighting "bad" weather! #BW-22189. $14.95.

EARTH SCIENCEDISCOVERIES Climate and Weather Activities

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H IG H VISI B I LIT Y R AI N GAUGE . You won't have to

strain to read this gauge from your window during a pouring rain! The 20"x 1-1/2" diameter rain gauge features large, brightly colored numbers and holds up to 5" of rain. Water collection funnel prevents debris from entering the gauge. #T-17185. $16.95 each. 6 or more $15.45 each.

POCKET NATURALIST LAMINATED FIELD GUIDE : WEATHER . Lightweight, laminated, w a t e r p r o o f , 4 " x 8 " size opens out to 8" x 22". Color pictures and info r mat io n o n b oth sides of the card. Useful

and durable! #FG-12275. $6.95.

D U A L Z O N E D I G I T A L THERMOMETER WITH PROBE. Dual display allows for simultaneous m o n i t o r i n g o f inside and outside air. Also perfect f o r s t u d y i n g m i c r o c l i m a t e s ( inside burrows or rock crevices) o r c o m p a r i n g t e m p e r a t u r e s inside and outside (probe has a 10 foot extension attached to the meter). Inside zone range = -20° to 70° C, -4° to 158° F. Probe ranges from -50° to 70° C, -58° to 158° F. Uses 1.5v battery (incl.). GLOBE-approved. #T-12375. $34.95.

MAXIMUM/MINIMUM DIAL THERMOMETER. Record minimum and maximum temperatures in the home or classroom without getting up at 4 a.m. Centigrade (-30° to 60°) and Fahrenheit (-20° to 140°) readings, keyhole mount on back, reset knob, and color-coded min/max needles. GLOBE-approved. #T-12377. $22.95.

FIELD THERMOMETERS. These rugged Enviro -Safe® brand NIST-certified lab and

field thermometers do not contain mercury, mineral spirits, or alcohols, but rather a biodegradable, safe green dye, should breakage occur—less likely since they come in a protective blue casing. These 6" long thermometers also come out of case for direct reading. Attach string to top loop for immersion in water. Meets GLOBE specifications. Note: thermometers should be stored at a slight angle (base down) to prevent separation. $19.95 each. 20 or more, $17.95 each.FAHRENHEIT (20° to 120°, 1° accuracy). #T-6311.FAHRENHEIT (0° to 220°, 2° accuracy). #T-16035.CENTIGRADE (-5° to 50°C, 0.5° accuracy). #T-6312.CENTIGRADE (-10° to 110°C, 1° accuracy). #T-16036.

CLOUD CHART. Beautiful photographic documentation of cloud formations and what those formations mean in terms of weather prediction. Colorful poster makes a perfect wall hanging for reference throughout the year or use when presenting weather concepts to students. Chart measures 25" x 38". #PO-3135. $14.95 each.

DIGITAL HYGRO-THERMOMETER. Features dual display for temperature (°C/ °F) and for humidity (%). Shows minimum/maximum temperatures as well as humidity memory and a freeze alert. Uses one 1.5 volt battery (included). Display resolution of 0.1° temperature, 1% humidity. This precision instrument is GLOBE approved. #T-12376. $39.95.

ECONOMY RAIN GAUGE. This reasonable, accurate rain gauge offers graduated m e a su r e m e nt u p to 5". Simply mount to any post or fence. When rain fills it, numbers magnify 35% due to optical qualities of the curved plastic housing. As rainfall can vary literally block to block, this gauge will give you accurate readings every time in your garden, school yard or nature center. #T-12379. $7.95.

POCKET THERMOMETER. Convenient for both field and laboratory use. Features fully

protected 1" diameter stainless steel head, 5" long stainless steel stem (0.14" diameter) , bimetal coil movement with magnifying Lexan lens and two degree increments. Easy-to-read and calibrate. Includes red protective s h e a t h a n d h a n d y p o c k e t c l i p . $10.95 each. 20 or more, $9.86 each.FAHRENHEIT (0° - 220° ) #T-4308.CENTIGRADE (-20° - 100° ) #T-4309.

P R O F E S S I O N A L R A I N GAUGE. Durable 10" long rain gauge with plastic ground

stake and fasteners for post mounting. Precise measurement of rainfall from 0.1 inch to 5.5 inches.#T-13497. $14.95 each.6 or more, $13.95 each.

PRECISION ANEROID BAROMETER. This dual scaled (940-1060 millibars and 700/800 millimeters) barometer features moveable pointer, bold black markings in strong case, a keyhole mounting in the back, and easily read scales. Useful for predicting shifts in weather as predicted by local atmospheric pressure changes. A precise, GLOBE-approved instrument. #T-17190. $55.95.

WEATHER GOLDEN GUIDE. Perfect introduction to weather phenomena. Learn the basics

of forecasting, cloud formations, weather patterns and more. Golden Guides have been used now for over half a century, but the text and images have been revised and updated to reflect

current weather science information. #FG-2413. $6.95 each. 20 or more, $5.56 each.

COMPLETE WEATHER STATION. This attractive and precision engineered instrument features an indoor thermometer ( m e a s u r e s i n degrees C and F), a barometer with set pin, and a humidity gauge, all mounted o n a n a t t r a c t i v e wood plaque. Easy to read 2-5/8" dials are recessed into t h e 14 " x 5 -1/ 2 " x1-1/2" plaque. This unit can be placed anywhere indoors (or outside if placed in a shelter or garage). #T-14296. $43.95.

EYEWITNESS WEATHER D V D A N D B O O K . T h i s w h i r l w i n d to u r o f E a r t h's

turbulent atmosphere reveals forces that are constantly at work altering weather patterns and causing floods, heat waves, hurricanes, tornadoes, snow, hail, and lightning! In usual Eyewitness style, this engaging DVD is both informative and entertaining for ages 8-adult.#DVD-14705. $12.95. (35 minutes). EYEWITNESS WEATHER BOOK. #BW-13406. $16.95.DVD PLUS EYEWITNESS BOOK. #S-14733. $29.90. $26.95.

ALL WEATHER STUDENT JOURNAL. Waterproof 32 page 4-4/5" x 7" spiral-bound waterproof field journal. Raining? No problem, you can keep writing! F o r w e a t h e r -watchers, students, naturalists, hikers a n d c a m p e r s . #B-10209. $6.95. WAT E R P R O O F FIELD PEN. Writes at any angle in rain or even underwater, black ink. #T-6158. $8.95. PEN HOLSTER. #T-19190. $7.65.

EARTH SCIENCEDISCOVERIESClimate and Weather Activities

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CONSTELLATIONS KNOWLEDGE CARDS. This quiz deck on the constellations is ideal both for use with both groups and individuals. In addition to identifications, each card contains interesting and well researched

information on the various interpretations of star patterns by different cultures and traditions. Information is presented in a fun, interactive manner, perfect for adding life to night talks covering the constellations. Ac tive learning for ages 9 -adult . #G-50801. $9.95.

THE NEW PATTERNS IN THE SKY: Myths and Legends of the Stars. Staal. The stars above are one of the few constants over the centuries. Today we see the same sky that the Neanderthals saw. Myths, legends and historical notes are given for each of the 88 constellations recognized by modern astronomers. The next time you go stargazing you will be able to point out and weave tales about many more constellations than just the Big Dipper! #A-12314. $26.95.

EYEWITNESS PLANETS DVD. In the entertaining yet very scientifically accurate style of the Eyewitness series, journey through space and time, witnessing the birth of the Sun and exploring the outer limits of the solar system. Along the way, visit one of the smaller planets (Earth) and its close neighbor (the Moon). Ages 9-adult, 35 minutes. #DVD-16223. $12.95.

A CHILD'S INTRODUCTION TO THE NIGHT SKY. Driscoll. Engaging introduction to astronomy and stargazing, including the story of our solar system, the myths behind the constellations, and tips on how to navigate the night sky. Profuse illustrations and fascinating sidebars add interest. Includes a star wheel to help locate stars and planets from any location at any time of year. Ages 8-12. #A-16318. $19.95 hardcover.

THE SOLAR SYSTEM GAME. Which planet has the highest mountain? Which would float in a gigantic ocean? Which is moving the fastest? Players learn about the universe, planets, astronomers, the Sun, the Moon, and asteroids. They advance through three levels of play as they acquire knowledge and build their understanding. This visually stunning game features NASA photographs of solar system phenomena. For two or more players, grades 3 and up. #G-17080. $24.95.

VOYAGER POSTER. Launched in 1977, two Voyager space probes began exploring the solar system and for over 30 years sent back an amazing collection of photographs. This instructive poster blends those amazing photos with information about each of the images. Measures 24"x36". #PO-18238. $18.95.

SOLAR SYSTEM SCIENCE CARDS. Includes 25 question-and-answer cards and an 18" x 24" inf o r mat io n sh e e t . Uses imager y f rom s o l a r m i s s i o n s t o show planets, dwarf p l a n e t s , c o m e t s , meteors, the Moon, extrasolar planets, the Sun and much more. The information sheet shows the sc ale of planets, dwarf planets and their orbits on one side; the reverse side displays the Sun, the formation of the solar system, water and life in the solar system. Ages 10-adult. #T-18188. $10.95.

HUBBLE SCIENCE CARDS. Forty 3" x 5" cards from the Hubble telescope show stars and galaxies, supernovae, ages of stars , l ight years , dark energy, black holes, hydrogen fusion, dark matter, the Kuiper Belt, quasars, radio jets, neutrinos, t h e C r a b N e b u l a , p l a n e t a r y n e b u l a , ex trasolar p lanet s , star emissions, and red giants. The 18" x 24" poster discusses black holes, special and general relativity, dark matter, dark energy, and galaxy formation. Ages 10-adult. #T-18189. $10.95.

MAGNETIC SOLAR SYSTEM. Full-color, realistically detailed magnets capture students' attention as you model space science concepts on your whiteboard. Includes 8 planets, Pluto (dwarf planet), Sun, Earth's Moon, asteroid belt, and activity guide. Largest magnet (Sun) measures 10". Grades K-6. #T-20135. $19.95.

P R O J E C T E A R T H S C I E N C E : Astronomy. Smith. REVISED SECOND EDITION. Comprehensive, teacher-tested astronomy sourcebook for grades 6-10. Contains 11 hands-on lesson plans, 14 readings, materials list, and suggestions for integration with other disciplines. Uses open-ended questioning throughout. Will lead you and your students on an exciting exploration out to the stars and back. #A-20038. $32.95.

SOLAR SYSTEM DISPLAY. Set includes 8 planets and the sun, all hand-painted for detail and accuracy u s i n g t h e l a t e s t a s t r o n o m i c a l information. T he set comes in a removable acetate tray that holds the planets in orbit. Space fun for children ages 5 and up. #T- 21165. $9.95.

NIGHT SKY, A Falcon Field Guide. Nigro. Shows constellations, planets, and stars found in the nor thern hemisphere. This p o c k e t g u i d e makes it easy to identif y objects in the night sky. From information on optimal weather c o n d i t i o n s t o preferred viewing locations, this handb o ok wi l l he lp you adeptly navigate the dynamic nighttime skies. #A-21140. $9.95.

SPACE EXPLORATION KIT. Build a telescope and star map to investigate the stars and constellations. Assemble a model of the solar system and learn about the planets that share it. Learn how meteorites formed the craters on the moon. Make a moon flipbook and a moon calendar, and find the man in the moon. Model lunar and solar eclipses. Build a sundial and a solar collector to experiment with the sun. Grasp a comet's tail and learn how meteoroids become falling stars. See how the universe is expanding with a simple model. A full-color, 48-page experiment book guides your exploration. Ages 8 and up. #KIT-21155. $35.95.


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I SEE THE MOON. Mitton, Pal. What is the Moon like tonight? Turn the pages to see its many enchanting phases, from a horned crescent to the plump-faced full Moon or from the icy crystal ring around the Moon to a dark orange eclipse. Young readers ages 4-7 join with Owl, Beaver, Koala, and Spider Monkey in watching the ever-changing Moon as it circles the globe. Informative science notes complement beauti ful i l lustrations and stor y. #B-20015. $17.95 hardcover.

THE STARS, A New Way to See Them. Rey. Revised Edition. A classic guide for teachers, outdoor educators, camp leaders—anyone who wants to interpret patterns in the night sky. In this novel approach to teaching astronomy, students sketch lines between the stars in a constellation to create the shape which the name of the constellation suggests. This hands-on method brings celestial fun and learning for ages 8 and up. #A-17191. $12.95.

FACES OF THE MOON. Crelin. Provides young readers with an interactive experience—children learn about the Moon's phases and watch its face transform with the turn of each die-cut page. Captures the wonder and awe of the Moon—aloft, above backyard trees, in a busy city, or beyond a bedroom window. Captivating, engaging reading for children ages 6-9. #A-18093. $16.95 hardcover.

MOON GAZER. Crelin. Unique interactive guide to the Moon—sure to make Moon-gazing more interesting, more informative, and more fun! Just rotate the chart to match the Moon in the sky with the phase illustrations shown in the cutout. When the phases match, it tells you the name of the phase, the Moon's position in orbit, the day of the lunar month, the Moon's rise and set time, and the time of day or night that this phase is visible in the sky. Perfect field guide to the ever-changing face of the Moon. Ages 10-adult. #T-18092. $5.95.

CONSTELLATIONS PLASTIC LAMINATED FIELD GUIDE. This waterproof set of cards features constellations as viewed from within North America. Lightweight, perfect tool for taking out into the field during night hikes. Each plastic laminated card measures just 1-1/4" x 4", bound together with a clip-chain. Back side features additional information and lore. #T-17072. $7.95.

T WO -SIDED PL ANISPHE RES. These Chandler planispheres are designed to reduce distor tion by dividing the night sky into two maps, one on each side of the planisphere. This unique system makes it easier to recognize night sky patterns. The bright white background of the planisphere contrasts sharply with the text, making for easy nighttime reading. These plastic planispheres are resistant to night-time dew. Two sizes (5" and 8" diameter) available for each latitude. For most US locations, select 30-40°; northern US/Canada, use 40-50°; southern US/Mexico, choose 20-30°.FIVE-INCH PLANISPHERE 20-30°. #T-13310. $7.95 each. FIVE-INCH PLANISPHERE 30-40°. #T-13311. $7.95 each. FIVE-INCH PLANISPHERE 40-50°. #T-13312. $7.95 each. EIGHT-INCH PLANISPHERE 20-30°. #T-13313. $11.95 each. EIGHT-INCH PLANISPHERE 30-40°. #T-13314. $11.95 each. EIGHT-INCH PLANISPHERE 40-50°. #T-13315. $11.95 each.

UNDER THE NIGHT SKY. Lundebrek. Winter has a special beauty for those living in northern climates as the northern lights or aurora borealis brighten up the sky. Nature is the central character in this story, and the spell it weaves provides this mother and son with a special moment they can look back on with great happiness. Encourages children and families to spend time outdoors experiencing nature. For ages 8-11. #B-17100. $16.95 hardcover.

P R O F E S S I O N A L N I G H T OBSERVATION LIGHT. Unique flashlight that allows you to read maps, star charts, or anything else at night without losing your night vision. This technology utilizes dual ultra-bright red LEDs that virtually last forever. Compact, rugged case fits in the palm of your hand and features a very smooth thumbwheel brightness control so you can dial up just the right amount of light, thus conserving the battery. Runs on a standard 9 volt battery (not included), giving up to 300 hours of viewing time per battery at low power and 12 hours at its highest power. #T-10199. $34.95.

RED LED FLASHLIGHT. This convenient 3-1/2" long red LED flashlight on a keychain is perfect

for looking at star maps or field guides in limited light without disturbing others or losing your night vision. Uses two button cell batteries (included). #T-19023. $5.95 ea. 12 or more,$5.45 ea.

SPACE BINGO GAME. This colorful bingo game contains 42 fully illustrated bingo cards with information about planets, moons, stars, suns and other astronomical features on the back of each card. Includes six playing boards and plenty of bingo chips. Perfect way to get young children started thinking about astronomy and space. Provides hours of engaging, hands-on fun for children ages 4-9. #G-16192. $14.95.

A M A Z I N G S O L A R S Y S T E M P R O J E C T S YO U C A N B U I L D YOURSELF. Lopez. This engaging activity book includes over 25 hands-on projects and exercises for learning about the Sun, the planets and their Moons, meteors, and comets. Includes fascinating facts, anecdotes, biographies, and trivia interspersed with fun projects that come complete with easy-to-follow, step-by-step instructions and diagrams. Perfect for students ages 9-14. #A-17193. $15.95.

EXPLORE THE SOLAR SYSTEM. Yasuda. Introduces children ages 6-9 to the planets, moons, and other celestial bodies that surround our star, the Sun, as well as the universe beyond. Combining a hands-on element with history and science, kids investigate solar eclipses, lunar phases, and Jupiter's rings. Find out who named the stars. What is the Milky Way? Why is there night? This book offers intruguing answers to these and many other questions. #A-21166. $12.95.


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PROJECT EARTH SCIENCE: GEOLOGY. Ford. R E V I S E D S E C O N D E D I T I O N . I n t r o d u c e s geological processes and cycles on Earth. Contains teacher-tested classroom activities that use readily a v a i l a b l e m a t e r i a l s . Exercises include model plate tectonics, volcanic eruptions, earthquakes, mountain building and rock cycles. Offers a matrix that places activities in a logical sequence to help students grasp the concept of geological time. For grades 5-10. #FR-20035. $32.95.

STORIES IN STONE. GEMS. This guide invites students to explore geology, distinguish between rocks and minerals, classify rock samples including "mystery rocks," and observe the formation of crystals. Clay modeling activities provide students with hands-on insight into rock cycles and plate tectonics. Background information, assessment suggestions, and literature links are provided. Engaging collection of geology explorations for grades 4-9. #GEMS-4907. $19.95.

E X PLO R I N G T H E E A R T H S E R I E S . O l i e n , Richardson. Explore the elements of the natural world, from plate tectonics beneath the surface of Earth to the rocks, soil, minerals and fossils we find on top. Well-organized text complements bold, colorful photographs to help readers learn and understand more about Earth and its continually changing features. Perfect introduction to earth science for readers ages 6-9. $6.95 each.EROSION. #B-12854.FOSSILS. #FR-12855.

ROCKS POSTER (laminated). Comprehensive overview of rock forms and types. Rocks are divided into three groups: igneous, sedimentary and metamorphic. Representative specimens of each group are identified along with descriptions of how geodes, concretions, agates and thunder balls are formed. Perfect supplement to earth science studies. Measures 24"x36". #PO-18205. $14.95.

MINERALS POSTER (laminated). This colorful poster defines what a mineral is, explores atomic structure, and explains how this

determines crystal structure. Includes easy to understand summary of the mineral classes along with the properties that each shares (such as luster, hardness, color, streak, fluorescence and specific gravity). Poster measures 24"x36". #PO-22160. $14.95.

GEMSTONES POSTER (laminated). This glistening poster groups the most popular gemstones together by class and explains the four

"C's" of gemstones (cut, clarity, color and carat). Discusses by example qualities such as asterism, opalescence, hardness, and pattern. Along with the "crown jewels," all birthstones are showcased. Poster measures 24"x36". #PO-22239. $14.95.

EARTH SCIENCE MIDDLE SCHOOL FLIP CHART SET. Features 10 double-sided, laminated charts, each 12" x 18". Side 1 features

a graphic overview of the topic while side 2 serves as a write-on/wipe-off activity chart. Spiral bound on durable, free-standing easel and accompanied by an activity guide featuring copymasters. Topics include minerals, rocks, fossils, geologic time scale, plate tectonics, earthquakes, weathering of rocks and soil formation, Earth's atmosphere, understanding weather and a review of our solar system. Ideal supplement to any earth science curriculum. #PO-19056. $35.95 each. 3 or more, 33.95 each.

G E O LO G Y G O L D E N GUIDE. This Golden Guide offers easy-to-understand

yet detailed information on the geological forces that literally shape the face of Earth. For students of all ages. #FG-2397. $6.95. 20 or more, $5.56 each.

RIVER CUTTERS. REVISED. GEMS. Students construct a model watershed using diatomaceous earth and a drip system. By running river models, students are introduced to the concepts of erosion, geological sequencing, watershed, and human factors. Seven sessions for grades 6-9. #GEMS-1248. $19.95.

EXPLORE ROCKS AND MINERALS! 25 Projects, Activities, Ex periments. Brown. Creative geology projects and activities for children ages 6-9 involving mineral testing, making crystals, building edible volcanic meringue cookies and more! In-depth discussion of how minerals form, and how the colors and shapes of rocks are influenced

by their mineral composition. #FR-21137. $12.95.

THE MODERN ROCKHOUNDING AND PROSPECTING HANDBOOK. Romaine. Provides up to date

information for both young and old alike to become rockhounds. Basic explanations of of geology along with identification tips, tools of the trade, and how to set up a lapidary lab or gem preparation area. Turn those dusty pockets full of rocks, gems, and minerals into a scientific collection. Includes current information on locales, rules and regulations affecting rock and fossil collecting, and suggestions for related activities. #FR-22168. $21.95.

KNOWLEDGE CARDS: WHAT DO YOU KNOW ABOUT ROCKS, MINERALS AND GEMS?

This quiz deck is perfect for both group and individual study. Well researched cards present up-to-date information in a fun, interactive manner. Ideal supplement for earth science lessons for ages 9-adult. #G-21241. $9.95.

ROCKS. #FR-12857.SOIL. #B-12858.


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HOLSTER FOR FIELD PEN. Features an adjustable Velcro® strap for easy resizing. Made from field-tough black Cordura. #T-19190. $7.65.

HOW THE EARTH WORKS. O'brien-Palmer. Over 60 games, activities and experiments make ear th sc ience come al ive for chi ldren ages 6 -9. Create "core-filled" cupcakes, grow salt and sugar crystals, make model volcanoes, see how heat can change rocks by watching separate ingredients disappear when cookies bake, play fossil fact or fiction and mineral trivia, plus many more activities. Creative way to teach earth science to young children. #B-11207. $16.95.

TAKE-ALONG GUIDE TO ROCKS, FOSSILS AND ARROWHEADS. Evert. Fun guide introduces children 6-12 to the world of geology. Discusses 15 common rocks and minerals, five fossils and seven different arrowheads and artifacts. Activities include making rock candy, creating fossils, and making scrapbooks and displays. Perfect for ages 6-12. #FR-10196. $7.95.

HAN DS - O N E AR TH SCI E N CE ACTIVITIES for Grades K-6. Tolman. Second Edition. Utilizes a discovery and inquiry approach, encouraging students to analyze, synthesize, and infer based on their own hands-on experiences. Includes expanded teacher information section, inquiry-based models, and cooperative learning projects that parallel how scientists work together in real life. Many activities can easily develop into great science fair ideas. Divided into eight sections, this activity guide is user friendly and correlated to the National Science Education Standards. #FR-15257. $32.95.

GEOLOGY ROCKS! 50 Hands-on Activities to Explore Earth. Blobaum. Erode a cave, model a glacier, sculpt a sandstone formation, petrify a bone, take a neighborhood architectural rock tour, scope out nearby fossil hunting grounds, or study what causes earthquakes. Using the coins in your pocket to the pebbles under your feet, these engaging activities will give you a new appreciation for how you interact with geology every day. This resource includes activities in physical, historical and environmental geology for ages 7-14. #FR-8334. $12.95.

DISCOVER NATURE IN THE ROCKS, Things to Know and Things to Do. Lawton, Panttaja. Introduces children ages 8-14 to the world of crystals, minerals, and rocks. From volcanoes to hydrologic cycles, students learn about Earth's dynamic processes in a direct, hands-on manner. Uses simple tools like pencils, notebooks, magnifying glasses, and rulers. #FR-6393. $17.95.

E Y E W I T N E S S R O C K & MINERAL DVD AND BOOK. Contrary to the term "rock solid,"

this DVD demonstrates how rocks provide a record of Earth's constantly changing history. See how minerals have influenced entire civilizations, from their productive use as building materials to their role as a cause of human conflict. Features descriptions of rocks and minerals as objects of beauty and utility. Ages 9-adult. #DVD-14703. (35 minutes). $12.95. EYEWITNESS ROCK AND MINERAL BOOK. #FR-13425. $16.95.DVD PLUS ROCK AND MINERAL BOOK. #S-14738. $29.90. $26.95.ALSO AVAILABLE:EYEWITNESS CRYSTAL & GEM BOOK. #FR-13427. $16.95.

PROFESSOR NOGGIN'S EARTH SCIENCE GAME. Each card (30 cards per deck) combines trivia, true/false, and fun multiple choice questions about a wide range of earth science topics. A special three-numbered die is used to promote interaction and communication between players. Easy to hard levels keep everyone interested and challenged. P e r f e c t f o r c l a s s r o o m l e a r n i n g centers or for a fun game at home. Ages 7 and up. #G-51690. $9.95.

GEOLOGY POCKET NATURALIST LAMINATED FIELD GUIDE. Lightweight, laminated, waterproof f o r m a t m a k e s t h i s guide perfect for the f ield. Information is presented based on what the viewer is likely to see. Compact 4" x 8" size opens out to 8" x 22." #FG-12250. $6.95.

MINERAL HUNT KIT. Students learn to identify 12 common minerals through observing and testing their physical properties. Kit contains one pound bag of mineral chips, forceps, streak plate, magnet, and magnifier. Three rock samples show how rocks are composed of small mineral chips, similar to the ones that the students work to identify. This creative mineral discovery kit includes teacher's guide and storage box. Grades 6-12. #KIT-14744. $26.95.

GET OUTDOORS!® ROCKS AND FOSSILS FIELD PACK. Acorn Naturalists. From an early

age, children have a natural interest in rocks, gems and fossils. For some, this initial curiosity turns into a lifelong interest in geology, paleontology, or the lapidary arts. This discovery pack features the Acorn Naturalists 3x magnifier, the Golden Guide to Rocks and Minerals, Geology Rocks activity book, a clear mineral display box, a mineral test kit, and the field edition of Journeys through Journaling, all contained in a sturdy backpack. Engaging explorations for ages 7-11. #KIT-16336. $74.95.

WATERPROOF GEOLOGY FIELD BO O K . Us e f u l book for collecting geological data in the field. Includes a b b r ev i a t i o n s , g r a i n s i z e s c a l e s , c h a r t f o r e s t i m a t i n g c o m p o s i t i o n , soil classification notes, geological map symbols, depositional texture chart and more. Special Rite in the Rain paper is completely waterproof—you can actually take notes in the f ield in a downpour. Compact size (4-5/8" x 7" x 5/8" thick) , 78 pages. GEOLOGY FIELD BOOK.

#FR-8346. $21.95. WATERPROOF FIELD PEN. #T-6158. $8.95.

LIVING ROCK: Introduction to Earth's Geology (DVD). Learn what causes earthquakes, or how a volcano i s f o r m e d w i t h this exceptional D V D a b o u t t h e Earth's geology. Produced by the US Geological Survey, using rich graphic imagery, this DVD introduces the following concepts : geologic time, continental crust, plate tectonics, volcanic activity, earthquakes, subduction zones, erosion, and glaciers. Engaging DVD for ages 10 and up. #DVD-19060. $19.95.


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DINOSAUR BINGO GAME. This c o l o r f u l g a m e c o n t a i n s 4 2 illustrated bingo c a r d s w i t h i n f o r m a t i o n a b o u t e a c h dinosaur on the back of the card. G am e includes six playing boards and plenty of bingo chips. For ages 4-8. #G-51468. $14.95.

DINO-OPOLY. Unique board game features those giants of the past that children never grow tired of. This innovative game has al l the fun, chance encounters found in the traditional game concept, with some unusual prehistoric twists. The game board features the well-known giant dinosaurs along with some of the more unusual smaller kinds. Players trade their fossils and eventually win the big Dino Bone. Fun for 2-6 players, ages 6 and up. #G-52423. $24.95.

F O S S I L S C A T R E P L I C A S . Paleontologists occasionally f ind fossilized scat, or coprolites, during fossil digs. These 4" long hard resin replicas are cast from two such specimens.HADROSAUR. #SC-9330. $11.95. PREHISTORIC MAMMAL. #SC-9332. $10.95.

RING OF FIRE (DVD). Travel to the edge of a new volcano in Chile and re-live recent history with rare and spectacular images of the infamous 1980 eruption of Mount St. Helens. Wonderful animated explanation of how forces within E a r th in i t iate th e events that cause volcanic eruptions and earthquakes—all part of the seismic activity ringing the Pacific Ocean. 40 minutes, ages 8-adult. #DVD-12188. $14.95.

EYEWITNESS VOLCANO DVD AND BOOK. In classic Eyewitness style, journey to one of the most

inhospitable regions of Earth, where rocks melt and the ground trembles. Witness the effects of volcanoes a n d a s s o c i a t e d ear thquakes . Ages 8-adult. #DVD-14704. (35 minutes) $12.95.

VOLCANO BOOK AND CD. #B-13404. $16.95.DVD PLUS VOLCANO BOOK. #S-14748. $29.90. $26.95.

SEISMOGRAPH MODEL. Students will enjoy devising ways to top the Richter scale

w ith th is eas y - to - us e c lassro o m s e ism o grap h. Student s s imulate earthquakes that are then recorded on a strip-chart. Determine the effect of different kinds of motion (sideways, p ounding, etc , ) by s tudy ing the graphed recordings. Comes complete with teacher's guide. Grades 6-12. #KIT-16165. $34.95 each.3 or more, $31.95 each.

M O V I N G L A N D F O R M D E MO NSTR ATI O N K IT. Includes over 20 activities that will

help your students develop a thorough understanding of volcanic action, faulting and folding, as well as many other geologic processes. Demonstrates hard-to-understand terms such as anticline, syncline, horst, and graben. Features an erupting nonflammable volcano. Kit includes a watertight demonstration tray with colored flexible foam blocks plus demonstration materials and study guide. Grades 5-12. #KIT-17198. $62.95 each. 3 or more, $59.95 each.

BONES ROCK! Everything You Need to Know to Be a Paleontologist. Larson, Donnan. Engaging book for e v e r y o n e i n t e r e s t e d i n learning more about becoming a fossil hunter. B o t h a u t h o r s are well known paleontologists, educators, and fossil enthusiasts. Their team discovered Sue, the largest T. rex ever found. Real stories about real kids who have made important discoveries. Ages 8 and up. #FR-12751. $19.95.

EYEWITNESS DINOSAUR DVD AND BOOK. This DVD and book document the rise

a n d f a l l o f t h e "terrible lizards". From fossil hunting t o t h e c a r e f u l r e c o n s t r u c t i o n o f f o s s i l f i n d s , th es e res ources t a k e y o u o n a n exciting journey t o t h e p a s t . A n

e n ga gin g DV D f o r a g e s 7-a dul t . #DVD-16224. (35 minutes). $12.95.BOOK. #FR-52366. $16.95.SET. #S-16225. $29.90. $26.95.

E Y E W I T N E S S P R E H I S T O R I C LIFE DVD. Learn about animals that walked from South America to Australia without get t ing t h e i r f e e t w e t . Discover how life, with all its energy and breathtaking variety, adapted to and colonized just about every nook and cranny on Earth. Journey across the ages to unearth the first chapters of the planet's history. Ages 7-adult, 35 minutes. #DVD-18094. $12.95.

EYEWITNESS NATURAL DISASTERS DVD. This engaging DVD explores the forces that shape our planet and affect human l ives . From powerful hurricanes a n d t o r n a d o e s t o e a r t h q u a k e s a n d a v a l a n c h e s , r a r e footage of natural forces demonstrates the power and fury of these events. Ages 9-adult, 35 minutes long.#DVD-18090. $12.95.

EARTH SCIENCE PLAY BALLS. Toss around the classroom, playground, nature center, scout gathering, or home. Where your left thumb lands, that is the question to be answered! Perfect i c e b r e a k e r s f o r i n t r o d u c i n g a topic, checking for understanding, or helping with group dynamics. Answer key and instructions are included. Suggested grade levels are shown in parentheses. $12.95 each. ASTRONOMY (4-7). #G-15109.MINERALS (6-7). #G-15374. ROCKS (6-7). #G-15116. WEATHER (6-7). #G-15117.

FOSSIL SHARK TOOTH DISPLAY. Fascinating 4" x 5" glass-topped display of museum-quality specimens of ancient shark teeth. Includes bull, dusky, lemon, tiger, sand tiger and snaggle-tooth shark teeth. Will add interest to discussions of tooth form and function. #T-20058. $29.95.

FOSSIL SKULL REPLICAS. Use these collections of skull replicas for comparing skull form, function

and structure. These detailed skull replicas range in size from 2" to 3" in length. Each skull set comes packaged in its own storage container. For children ages 5-11.PR E H I S TO R I C M A M M A L S K U L L REPLICA SET. Includes Arsinoitherium, Australopithecus, Daeodon, Embolotherium, mastodon, Smilodon, Uintatherium and woolly rhino. #R-20102. $10.95.DINOSAUR SKULL REPLICA SET. Includes Brachiosaurus, Carnotaurus, Dilophosaurus, Diplodocus, Dracorex, Nigersaurus, Oviraptor, Triceratops, Tyrannosaurus rex, and Velociraptor. #R-20103. $10.95.

VOLCANOES AND EARTHQUAKES. Earthquakes shake the continents and oceans, and volcanoes spew out the molten insides of our planet. Build and erupt a model volcano with plaster-based "lava" that hardens after each eruption. The volcano can be erupted multiple times, and the volcanic cone builds up with each eruption like a real volcano. Discover plate tectonics and see how volcanoes and earthquakes are caused by the constant movement of the planet's plates. A full-color, 48-page experiment manual is included. Ages 10 and up. #KIT-21156. $34.95.


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FEATHERED DINOSAURS POSTER (laminated). In just the past few years, many dinosaur species with feathers have been

discovered. This 24"x36" poster depicts 17 of them, along with information on their size, locality, and other interesting facts. Also contrasts anatomy of modern bird feathers with primitive dinosaur feathers. #PO-22161. $14.95.

ADVANCED FOSSIL COLLECTION. Comprehensive collection of 30 different fossils. Features demonstration specimens of animal and plant phyla from the Paleozoic, Mesozoic, and Cenozoic periods. Descriptive key and geologic timechart are included. Perfect for classroom or nature center study. #KIT-9529. $46.95.

F O S S I L S OV E R T I M E . T h e s e t h r e e s p e c i m e n b oxe s c o n t a i n f o s s i l s f r o m the Paleozoic , Mesozoic , and Cenozoic

eras (15 specimens from each era ) . Al l of the major phyla are represented in these beautifully presented specimens measuring up to 1-1/2" and all are carefully labeled and identif ied. Perfect supplement to earth science lessons, grades 6-12. Complete set of three displays (45 specimens) . #KIT-14484. $99.95. Also available individually: PALEOZOIC COLLECTION. #KIT-14305. $34.95. MESOZOIC COLLECTION. #KIT-14306. $34.95. CENOZOIC COLLECTION. #KIT-14307. $34.95.

MEGALODON SHARK TOOTH REPLICA. Museum quality Bone Clone® replica of this ancestor of the modern great white shark. The fearsome Megalodon jaw measured 10 feet

across and 8 feet high. Tooth size = 6". #R-8145. $60.00.

BASIC FOSSIL COLLECTION. Selection of 15 fossils illustrates the variety of life forms found in the geologic record. Includes a key and geologic time chart for matching each fossil to the appropriate era. Specimens are packed in individual chambers in a sturdy box. Grades 5-12. #KIT-8335. $24.95.

METHODS OF FOSSILIZATION COLLECTION. Study collection of 15 natural fossil specimens organized to show the process whereby each life form was preserved. Use to illustrate fossilization processes such as petrification, pyritization, molds, casts, and distillation. Grades 7-12. #KIT-9298. $31.95.

SMILODON SKULL REPLICA. Precise replica of the skull of Smilodon californicus. This cat roamed throughout the West—skeletal remains were found in great abundance at the La Brea Tar Pits where many became mired in the same tar that consumed the animals these cats were feeding on. This museum quality replica measures 13" long x 8" wide x 12" high and comes with a solid oak base and an engraved brass plaque. Available in both antique bone (cleaned) or natural (tar-stained appearance) finishes. ANTIQUE BONE FINISH. #R-7148. $309.95. TAR PIT BROWN FINISH. #R-7149. $309.95.

FOSSIL REPLICA CASTING KIT. This award-winning, hands-on science kit allows students to create and finish a variety of authentic full-size fossil replicas. Includes six reusable rubber molds (ammonite, crinoid, trilobite, cave bear tooth, shark tooth, and dinosaur claw), PerfectCast casting material for making 36 casts, information on each fossil, and suggestions for hands-on activities for ages 7-12. #KIT-18202. $54.95.

FOSSILS POSTER (laminated). This informative poster depicts common fossils and describes basic paleontological concepts such as

the principle of original horizontality, law of superposition, and the relationships between fossils and geological studies. Useful aid for museum programs and earth science classes. Measures 24"x36". #PO-22162. $14.95.

AMMONITE, FISH, DINOSAUR AND PREHISTORIC ANIMAL REPLICAS. An unusual collection of realistic animal replicas from the past. Perfect for creating interest with hands-on learning activities.

AMMONITE. 3.5" long, 3" high. #R-22121. $9.95.MEGALODON. 7.25" long, 4.25" wide. #R-22120. $11.95.KAPROSUCHUS. 8.25" long, 2" high. #R-22119 $9.95.LIOPLEURODON. 7" long, 4" high. #R-22118. $7.45.DUNKLEOSTEUS. 7.25" long, 3.25" wide. #R-22117. $8.95.GASTORNIS. 3.5" long, 3" high. #R-22122. $9.95.WOOLLY MAMMOTH. 5.5"long, 5.5" high. #R-22116. $9.95.SMILODON. 4" long, 3" high. #R-22115. $5.95.COLLECTION OF ALL EIGHT REPLICAS LISTED ABOVE. #R-22249. $74.10. $69.95.

Ammonite Megalodon

Smilodon

Gastornis

Woolly Mammoth

Dunkleosteus

Liopleurodon

Kaprosuchus


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CLASSIFYING SEDIMENTARY, IGNEOUS, AND METAMORPHIC ROCKS. Using actual rock samples, a fictional scenario describes the alleged discovery of diamonds in a national forest by a pair of hikers. Students learn that certain natural resources are often found in association with certain rocks. A reading on the formation of igneous, sedimentary, and metamorphic rocks supplements student observations as they examine, describe and group rock samples. Students use this knowledge to identify the hikers' rocks and decide whether the hikers were likely to have seen diamonds. Student worksheets guide students to work in pairs. For 32 students. Grades 6-10. #KIT-14294. $98.95.

SCALE OF HARDNESS COLLECTIONS. Set #1 contains nine different number-coded minerals that represent the first nine minerals of Mohs 10 point hardness test. Minerals can be scratched against each other or glass plates to demonstrate relative hardness. Includes Mohs 10 point scale and complete instructions. Set #2 includes everything in set #1 plus an industrial diamond (#10 on scale). Grades 5-12. SET #1. #KIT-6397. $15.95. SET #2 (with diamond). #KIT-8337. $27.95.

FRACTURE COLLECTION. Different from cleavage patterns, fractures show consistent patterns when rocks are broken, with the resulting surfaces having identifiable characteristics that can help key out specimens. Six different

specimens, 1-½". Grades 5-12. #KIT-8339. $15.95.

TENACITY COLLECTION. Terms such as brittleness, elasticity, flexibility and malleability that describe min e r a l p ro p e r t ies c an assist in the identification p r o c e s s . I n c l u d e s s i x d i f f e r e n t s p e c i m e n s , 1-½" square. Grades 5-12. #KIT-8341. $15.95.

CLEAVAGE COLLECTION. Cleavage, an easily recognizable property of some minerals, follows the

internal crystal structure o f t h e m i n e r a l , w i t h each mineral cleaving in an identif iable way. Six dif ferent samples, 1-½" square. Grades 5-12. #KIT-8338. $15.95.

LUSTER COLLECTION. Recognition of the type and degree of luster in a mineral can help in i d e nt i f i c at i o n . Includes 15 number-c o d e d e x a m p l e s o f b o t h m e t a l l i c and non - met al l ic t y p e s o f l u s t e r .

Specimens in this collection are all about 1-½" x 1-½". For grades 5-12. #KIT-8340. $31.95.

ROCKS AND MINERALS OF THE WESTERN UNITED STATES COLLECTION. Special mounted collection consisting of 50 rock and mineral specimens that reflect those found in the Western United States. These high quality specimens measure approximately ¾" across. Includes Rocks and Minerals Study Guide. For grades 5-12. #KIT-8465. $32.95.

COLORFUL MINERALS COLLECTION. Minerals are not always drab looking—many come in spectacular shades of pink, yellow, green, blue and other colors and combinations. Includes descriptive material and 15 identified specimens, each approximately 1" x 1-1/2" in size. #KIT-14735. $25.95.

NATURAL CRYSTAL COLLECTION. Under proper conditions, pure minerals develop into crystal forms specific to a mineral type. This spectacular collection of 15 different crystals was selected to demonstrate six different crystallographic systems. Complete with study guide and compartmentalized storage tray. Grades 6-12. #KIT-9299. $38.95.

CRYSTALLINE AGGREGATE COLLECTION. This collection features 15 specimens, each approximately 1-1/2" x 1-1/2", that show d i f f e r e n t c r y s t a l f o r m a t i o n s a n d aggregation patterns made with associated minerals, including dendritic, fibrous, micaceous, banding, and radiated patterns. Use with the natural crystal collection to give students a full picture of crystalline form and structure. #KIT-14740. $29.95.

GEMS MINERAL COLLECTION. The specimens in this collection represent minerals that are rare and beautiful enough to be prized as gemstones. Included are specimens o f s t u d y - g r a d e b e r y l , t o p a z , r o s e q u a r t z , t u r q u o i s e ,

olivine, corundum, garnet, tourmaline, and more—15 specimens in all, each about 1-1/2" x 1-1/2", identified in a compartmentalized tray. #KIT-14318. $36.95.

MINERALS IN OUR FOOD COLLECTION. From calcium to zinc, minerals from the soil are incorporated into plants and then transferred to the herbivores that consume the plants. This kit allows one to see the beginning of that cycle—these six specimens and accompanying descriptions give students a hands-on look at the source. #KIT-14736. $24.95.

GLASS PLATES. Beveled ¼" glass plates, perfect for conducting mineral scratch tests (specimens are "scratched" across a 1" x 2" flat glass plate to determine relative hardness). #T-4260. $16.95/pkg of 10.

ROCK AND MINERAL SPECIMENS. This collection consists of two each of 25 different igneous, sedimentary, and metamorphic

specimens, identified by name and collection locale. These 50 freshly split specimens (1-½" long) are perfect for introducing students to the basic principles of mineral formation and identif ication. Use with streak plates and scratch plates (offered separately)

to characterize each. Great geology starter collection, grades 5-12. #KIT-434. $29.95/set. 3 or more sets, $27.95/set.

CRYSTALS, ROCKS AND MINERALS. Grow different types of crystals and build three-dimensional geometric models of them. Mold your own crystal geode. Conduct tests to determine a mineral's chemical and physical properties such as color, luster, streak c o l o r , h a r d n e s s , densit y, magnetic p r o p e r t i e s , a n d c a r b o n , s u l f u r , and i ron content . I n v e s t i g a t e t h e geologic rock cycle and learn how igneous, sedimentary, and metamorphic rocks are formed, altered, destroyed and formed again. Ages 8 and up. #KIT-21161. $49.95.


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ORES OF COMMON METALS KIT. The term "ore" is used in connection with rock or mineral mass when it contains enough of an element or component to make i t e c o n o m i c a l l y feasible to mine the rock material, crush it, and extract the element. This set includes 15 identified specimens of the more commonly mined ore minerals. #KIT-14739. $33.95.

ECONOMY MINERAL TEST KIT. Supplies the tools necessary for basic rock and mineral identification. Includes black and white porcelain streak plates, glass scratch plate, hand lens, dropper bottle (for weak acids), magnet, nail, penny and hardness scale in a zip-lock bag. Grades 5-12. #KIT-4307. $10.95.

STREAK COLLECTION. Many minerals leave a characteristic colored streak on unglazed porcelain tiles that help identify the mineral. This collection includes a white streak plate plus eight number-coded specimens (approximately 1" x 1-½" each). For grades 5-12. #KIT-6399. $18.95.

COMPREHENSIVE EARTH SCIENCE ROCK AND MINERAL COLLECTION AND TEST KIT. Includes 75 number-coded rocks and minerals that demonstrate the major mineral categories, the scale of hardness, and other physical and chemical properties. Kit contains a streak plate, magnet, magnifier, and protective, compartmentalized container for each 1-¼" x ¾" rock and mineral specimen. Ideal for grades 5-12. #KIT-8345. $76.95.

COMPLETE MINERAL IDENTIFICATION KIT. Contains 30 minerals (5 of each sample) for use with a taxonomic key found in the laboratory identification manual (included). Students test for hardness, specific gravity, color, streak, and cleavage. Also includes a mineral testing kit which consists of a streak plate, glass plate, hand lens, magnet, acid bottle, nail, penny, and hardness scale. Perfect for earth science lessons, grades 6-12. #KIT-14314. $103.95.

STURDY SPECIMEN BOXES. Low-cost brown storage boxes with white molded plastic interior partitions. Organizing rocks, minerals and fossils by category teaches sorting and classification skills. SMALL (5" x 7", 9 chambers). #T-107. $7.95.MEDIUM (7" x 11", 15 chambers). #T-108. $9.95.LARGE (12" x 20", 40 chambers). #T-6398. $17.95.

INVESTIGATING MINERALS AND ROCKS DISPLAY. This attractive, comprehensive earth science display features 93 of the most common mineral and rock specimens, ordered and classified by their composition (minerals) and how they are formed (rocks). Includes 40 minerals, 18 igneous rocks, 18 sedimentary rocks and 17 metamorphic rocks mounted in a sturdy 18" x 24" wood frame. Perfect supplement to any earth science unit for students in grades 6-12. #T-14319. $152.95.

5 0 S T A T E S P E C I M E N C O L L E C T I O N . I n c l u d e s a r o c k , mineral, or fossil sp ecimen fe lt to be representative of each of the 50 s t ate s . A l l ½"–1" s p e c i m e n s a r e individually keyed for identif ication. Boxed kit includes a g u i d e w i t h related geological information for the sample. #KIT-8343. $45.95.

STREAK PLATES (white and black). Mineral color is often used when keying out rocks and minerals. Convenient 1" x 2" plates show streak clearly (also see streak collection). Use white streak plates for dark minerals, black streak plates for light minerals. Ten plates per pack. WHITE PLATES. #T-4259. $6.95 per pack.BLACK PLATES. #T-8452. $6.95 per pack.

LOCAL ROCKS OF NORTH AMERICA, A Quick Guide to Rock Identification. Waterproof, double-

s id e d, laminate d fo l d - o ut guide to dozens of rock types commonly encountered in the f ield. Divided into basic groupings with color photos of formations and specimens. Includes discussion of rock cycles as well as mineral classification systems. Folds to 14" x 16". #FR-15254. $8.95.

CLEAR STORAGE/SORTING BOXES. Useful for organizing and displaying items found in nature such as gemstones, minerals, fossils, and seeds. Made from strong, clear acrylic with hinged lids. SIX CHAMBERS. (3" x 4-1/2" x 1-1/8" with six 1-3/8" x 1-3/8" chambers). #T-18059. $3.45.SIX CHAMBERS (4" x 8" x 1-1/4" with six 1-1/4" x 4" chambers). #T-18060. $5.95.EIGHT CHAMBERS (4" x 8" x 1-1/4" with six 1-1/4" x 2-1/2" and two 1-1/4" x 4" chambers). #T-18061. $6.95.TEN CHAMBERS (3-1/4" x 7" x 1-1/4" with ten 1-1/4" x 1-1/2" chambers). #T-18062. $7.95. TWELVE CHAMBERS (4" x 8" x 1-1/4" with twelve 1-1/4" x 2" chambers). #T-18063. $7.95.EIGHTEEN CHAMBERS (4" x 8" x 1-1/4" - eighteen 1-1/4" x 1-1/4" chambers). #T-18064. $8.95.

SPECIFIC GRAVITY OF MINERALS KIT. Teaches students about specific gravity or weight variation among different minerals. Includes 15 specimens and complete directions. Grades 5-12. #KIT-8342. $49.95.

ROCK COLLECTIONS SORTED BY FORMATION. These collections contain 15 specimens per set, with each set representing one of the three major rock formation groups: igneous, metamorphic, and sedimentary. Each labeled specimen measures approximately 1-1/2" x 1-1/2", neatly housed in a divided storage container with an information sheet. $22.95 per collection. IGNEOUS ROCK COLLECTION. #KIT-14315.METAMORPHIC ROCK COLLECTION. #KIT-14316.SEDIMENTARY ROCK COLLECTION. #KIT-14317.


Rock and Mineral Activities EARTH SCIENCEDISCOVERIES

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