integrated physics and chemistry – 9th grade (ipc) · integrated physics and chemistry – 9th...

STUDENT NAME _______________________ DATE __________ ID _______ PERIOD ____

Integrated Physics and Chemistry – 9th Grade (IPC)

Administered December 2005

Density =

( ) = ( )( )( )Speed =

Acceleration =

Momentum = mass × velocity

Force = mass × acceleration

Work = force × distance

Power =

% efficiency = × 100

Kinetic energy = (mass × velocity 2)

Gravitational potential energy = mass × acceleration due to gravity × height

Energy = mass × (speed of light) 2

Velocity of a wave = frequency × wavelength

Current =

Electrical power = voltage × current

Electrical energy = power × time

voltageresistance

12

work outputwork input

worktime

final velocity − initial velocitychange in time

distancetime

specificheat

change intemperature

mass ingrams

heat gained orlost by water

massvolume

FORMULA CHARTfor Science Assessment

Constants/Conversions

g = acceleration due to gravity = 9.8 m/s 2

c = speed of light = 3 × 10 8 m/s

speed of sound = 343 m/s at 20°C

1 cm 3 = 1 mL

1 wave/second = 1 hertz (Hz)

1 calorie (cal) = 4.18 joules

1000 calories (cal) = 1 Calorie (Cal) = 1 kilocalorie (kcal)

newton (N) = kgm/s 2

joule (J) = Nm

watt (W) = J/s = Nm/s

volt (V) ampere (A) ohm (Ω)

D =

Q = (m)(∆T)(Cp)

s =

a =

p = mv

F = ma

W = Fd

P =

% = × 100

KE =

GPE = mgh

E = mc 2

v = f λ

I =

P = VI

E = Pt

VR

mv 2

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WO

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Wt

vf − vi

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Page 1 IPC 9th Grade Science Interim 2; TAKS Standard: 23 of 37; TAKS Commended: 34 of 37

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Page 2 IPC 9th Grade Science Interim 2; TAKS Standard: 23 of 37; TAKS Commended: 34 of 37

DIRECTIONS Read each question and choose the best answer. Then fill in the correct answer on your answer document. SAMPLE A

Page 3

IPC 9th Grade Science Interim 2; TAKS Standard: 23 of 37; TAKS Commended: 34 of 37

When a 10% hydrochloric acid solution is heated in an open test tube, the test tube should always be pointed -

A so bubbles are visible

B at a 180° angle from the flame

C toward a ventilated area

D away from nearby people

SAMPLE B The picture shows a cube that contains 20 mL of a solution. The solution has a mass of 40 grams. What is the density in g/mL of this solution? Record and bubble on the answer document.

MASS = 40 g

VOLUME = 20 mL


1 Sometimes in the lab it is necessary to smell a chemical. Which statement correctly describes the accepted procedure for smelling a chemical?

A Position your nose close to the container and breathe in slowly and deeply.

B Hold the container away from your face while gently fanning the vapors towards you.

C Place the container just below your nose and inhale quickly.

D Hold the container at arms length while a partner blows the vapors in your direction.

2 A glass of water at 16oC is placed in a room next to a glass of water that is at 28oC. The temperature of the room is 22oC at all times. If the two glasses were left in the room overnight, the temperature for both glasses of water the next day would be approximately

F 44oC

G 28oC

H 22oC

J 16oC

3 If the lights in your house were connected in series circuits instead of parallel circuits, whenever you connected another light the other lights that were already on would -

A all go out completely

B all get brighter

C all get dimmer

D not be affected

4 Many of the hand-held devices we use today, like the i-pod, are powered by batteries or are solar powered. Batteries can be non-rechargeable or they can be rechargeable. One good reason for buying and using rechargeable batteries instead of non-rechargeable is that rechargeable batteries -

F are less expensive to buy but come in more different sizes

G work best in situations where there is a low light level

H can be purchased alone, in pairs, or in multi-packs

J can be used many times before they need to be disposed of


P

5 A worker pushes a box weighing 510 N up an inclined plane by applying a force "P" as shown above. If the applied force P equals 250 N and the box moves 2.5 meters (m), how much work is done by the worker?

A 510 Joules.

B 625 Joules

C 760 Joules

D 1,275 Joules

6 To illustrate how the densities of several different materials compare to one another, which type graph would be the most appropriate to use?

F Circle

G Line

H Bar

J Pyramid

7 A student found a rock that contained crystals of different color and size. The student should classify the rock as being an example of a(n) -

A mixture

B compound

C element

D fossil

8 As a block of wax is heated evenly and begins to change from a solid into a liquid, its temperature should remain constant until the melting process is complete. Once completely melted, the temperature of the wax should be observed to rise again. Which set of equipment would be needed to verify this?

F Wax, a hot plate, a graduate cylinder, a balance, and a thermometer

G Wax, a thermometer, a stirring rod, a hot plate, a timer, and a beaker

H Wax, a stir bar, a calorimeter, a hot plate, a watch glass, and a flask

J Wax, a watch, a collection bottle, and a Bunsen burner


9 A student observed that the honey he pours from the jar comes out slower that the pancake syrup his sister uses. However, if he gets his mom to heat the honey in the microwave, then the honey will pour from the jar faster than the syrup. What property of the honey was changed by heating it?

A Atomic structure

B Melting point

C Viscosity

D Buoyancy

10 What is the momentum of a softball that has a mass of 0.4 kg and is thrown at a velocity of 160 m/s?

F 0.4 kg · m/s

G 2.5 kg · m/s

H 64 kg · m/s

J 160.4 kg · m/s

11 A large aircraft carrier is able to float in water because of two related properties. These two properties are -

A density and buoyancy

B viscosity and weight

C buoyancy and mass

D mass and weight

12 Gold is often found in nature in the form of pure gold nuggets, and not combined with other substances. This would indicate that gold is a(n) -

F mixture

G compound

H element

J solution


100

200

300 mL

ROCK

13 A student used the graduate cylinder shown above to find the volume of a rock. What is the most precise measurement that can be made with this graduated cylinder?

A 10 mL

B 20 mL

C 100 mL

D 300 mL

14 When corn oil is heated in a pot, we can see the oil moving in what appears to be waves. Which of the following processes of heat transfer is being observed?

F Convection

G Radiation

H Reflection

J Conduction

PE = 20,000 JKE = 0

PE = 10,000 JKE = 10,000 J

PE = 0 JKE = 20,000 J

15 A box falls from the window of a tall office building. The measured changes in the kinetic energy (KE) and potential energy (PE) of the box are a verification of -

A the conservation of mass

B the conservation of energy

C the conservation of motion

D the conservation of gravity

Page 8


16 Which of the following statements is an example of a chemical change?

F Salt crystals, when placed in water, will dissolve completely

G A glass rod when heated will become soft, bend, and then melt

H A small piece of aluminum foil floats when placed in alcohol

J An antacid tablet, when placed in water, begins to bubble and fizz

300 grams

8 cm

6 cm

5 cm

17 What is the density of this object in g/cm3 ?

A

B 1.25 g/cm3

C 1.5 g/cm3

D 2.66 g/cm3

Page 9


0.8 g/cm3


Richter Scale (power)

Effects of Earthquake Shockwaves in Populated Areas

< 3.4 Detection by seismographs only 3.5-4.2 Felt by some people 4.3-4.8 Felt by many people; windows in building rattle 4.9-5.4 Felt by everyone; breakage of dishes; doors swing 5.5-6.1 Slight structure damage; cracks appear in plaster and bricks fall 6.2-6.9 Many buildings are damaged; chimneys fall; houses are moved off

their foundations 7.0-7.3 Serious damage to structures; bridges twisted; walls have major

cracks; many buildings collapse 7.4-7.9 Extensive damage throughout the area; most buildings have

collapsed > 8.0 Total destruction; waves seen on ground surfaces

18 Returning home from a summer vacation you find objects in your home have been turned over, pictures have fallen from the wall, and there are small cracks in the walls and ceiling. Your neighbor informs you that an earthquake had occurred while you were on vacation. Use the information in the chart to infer the strength of the earthquake that caused the damage you observed

F 3.7

G 4.5

H 5.7

J 6.5

Light ray

Air

D

C

BA

Water

19 Based on the drawing above, which is the correct path for the light ray uponentering water?

A Line A

B Line B

C Line C

D Line D

20 Which statement is true for both transverse and longitudinal waves?

F They have vibrations in the same direction.

G They are part of the same energy continuum.

H They need a medium through which to travel.

J They transfer energy not matter.

21 One thing that bothers fishermen is the fact that sunlight reflecting off the water prevents them from seeing any fish that are near the surface of the water. However, there are polarized sunglasses that block the annoying reflection of light. Polarized lens reduce reflections by-

A reflecting the light waves back to the water at the same angle they were received

B allowing only light waves vibrating in a single plane to pass through the lens

C being tinted the same color as the sky

D having a low index of light refraction

Page 11


22 A student needs to warm up a growth medium to a final temperature of 43°C. According to the reading on the thermometer, how many degrees must the temperature of the medium be increased to reach this temperature?

F 3

G 6

H 9

J 12

MEASURED EFFECT OF SALT ON THE FREEZING POINT OF WATER

Amount of salt added in grams Freezing Time in minutes

0 grams 45 1.25 grams 52 2.5 grams 71

3.75 grams 95 5.5 grams Did not freeze even after three hours

23 A student conducted an experiment to determine whether salt added to a container of water affects its freezing point. Beakers containing equal amounts of water at the same temperature were used. Each sample received a different amount of salt and was placed into a freezer. The length of time it took for each sample to freeze solid was recorded. Which conclusion correctly interprets the information from the table?

A Salt will dissolve slower in water at a temperature lower than room temperature.

B Doubling the amount of salt doubled the time needed for the samples to freeze.

C Increasing the amount of salt decreased the time needed for the samples to freeze.

D Increasing the amount of salt increased the time needed for the samples to freeze

Page 12



Rock Type Formed

Obsidian Igneous When lava quickly cools and hardens

Sandstone Sedimentary By small rock and or mineral particles being stuck together; often forming in layers

Marble Metamorphic When existing sedimentary rocks are changed by intense heat and pressure deep within the Earth

Granite Igneous When molten rock slowly cools and hardens

24 Which of the rocks listed above is a result of a chemical change?

F Obsidian

G Sandstone

H Marble

J Granite

25 To help you find the volume of an irregular shaped rock, which two items would be the most useful?

A A metric ruler and a triple beam balance

B A graduated cylinder and beaker of water

C A thermometer and a hot plate

D A flask and an electronic scale


26 At a strong man competition one of the participants pulled a sled with a force of 2,250 Newtons a distance of 50 meters in only 15 seconds. Using the formula chart, calculate his power in Watts.

F 10,250 W

G 7,500 W

H 3,410 W

J 675 W

27 You are riding in the back seat of a car behind the driver. The car takes a left hand turn very fast. You slide all the way across the seat to the right side of the car. This is an example of -

A the law of inertia

B the law of gravitation

C the law of action-reaction

D the law of friction

28 In science, it is very important that when a hypothesis is offered it is one that can be tested by performing an experiment. Which of the following is the only example of a hypothesis that can be tested through experimentation?

F Cookies tastes better when they are fresh from the oven.

G It's better to add spices to food before it is cooked.

H Water feels "a little wetter" in the winter than in the summer.

J Tear gas, which is an irritant to people, also affects plants.

29 Which of the following would be a good example of a compound?

A Clear glass

B Sugar

C Plywood

D Apple jelly

30 Students went on a field trip to a glass blowing factory. They went to observe everyday examples of heat transfer. The glass blower used a heavy glove to insulate his hand as he handled the hot glass. The glass blower told the class that he could feel some of the heat through the glove. This transfer of heat occurred because-

F the glass being shaped expanded quickly

G heat moved through the glove by conduction

H the radiant energy produced was not contained

J heat was carried by convection currents

A

C

B

D

Black = metals Grey = nonmetals White = semiconductors

31 Based on the periodic table, which pie chart shown above best indicates the distribution of the metals, nonmetals, and semiconductors?

A Chart A

B Chart B

C Chart C

D Chart D

Page 15



0.001

0.9

1.0

1.26

1.38

Air

Corn oil

Water

Glycerol

Syrup

Wood

Plastic

Rubber

Steel

Density Column

32 A density column containing various liquids and solids is shown above. The numbers represent the density of the substances in g/cm3. What is a valid conclusion that can be made based on information given in the drawing?

F Objects that float in syrup should also float in water.

G Solids with a density greater than 1 g/cm3 will float in the liquids in which they are placed.

H Steel is the densest object that has been made by man.

J Objects with a density greater than 1 g/cm3 are expected to sink when placed in water.


Nutrition Facts Calories: 120 Total Fat 2g 3%Saturated Fat 0g 0% Cholesterol 3 mgSodium 110 mgCarbohydrates 23gProtein 2g

Nutrition Facts

Calories: 140 Total Fat 2g 3% Saturated Fat 2.5g 13% Cholesterol 3 mg Sodium 180 mg Carbohydrates 12g Protein 1g

Snack A Snack C

Nutrition Facts Calories: 200 Total Fat 13g 20%Saturated Fat 6g 9% Cholesterol 8 mgSodium 200 mgCarbohydrates 19gProtein 2g

Nutrition Facts

Calories: 170 Total Fat 12g 18% Saturated Fat 0g 0% Cholesterol 2 mg Sodium 360 mg Carbohydrates 16g Protein 2g

Snack B Snack D

33 An adult is on a low salt, low cholesterol diet but this adult still wants to enjoy snack foods. Based on the information contained in the labels shown above, what snack foods would you recommend this person eat? A Snack A B Snack B C Snack C D Snack D

Battery

Light

Series Circuit

Battery

Light

Parallel Circuit

34 What is one advantage that parallel circuits have over series circuits?

F Parallel circuits have paths that never cross which reduces the chance of an electrical short occurring

G Parallel circuits produce equal electrical activity for a much lower cost than does a series circuit.

H Parallel circuits allow for the flow of electricity both in an open and closed path, while a series circuit only works with a closed path.

J Parallel circuits have multiple paths for electricity to follow so the current can continue even if one element within the circuit fails.

35 A sweater is advertised as being 60% wool and 40% cotton. How would a scientist classify this sweater?

A Element

B Compound

C Mixture

D Solution

36 Which of the following is a physical change in a substance?

F The flame produced by an outdoor grill burns with a bright blue color.

G A knee, scraped by falling from a skateboard, soon forms a scab.

H Samples of gold, silver, and copper are combined to form a 14 Carat gold ring.

J A banana, left in a school locker over the summer, rots and smells bad

Page 18


37 A small aluminum rectangle has a mass of 218 grams. Given the density of aluminum as 2.7 g/cm3, calculate the volume (in cm3 ) of the sample of aluminum to the nearest one tenth cm3. Bubble in your answer in the grid provided.

Page 19


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