lunar nautics - nsta learning centermaterials and resources lunar nautics educator guide and student...
TRANSCRIPT
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LIVE INTERACTIVE LEARNING @ YOUR DESKTOP
January 4 , 2011
LUNAR NAUTICS
Presented by: Rudo Kashiri
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LUNAR NAUTICS
Presented by Rudo Kashiri
NASA Explorer Schools
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Presentation Outline• Lunar Nautics Overview• NASA Connection• Featured Activities:
- Rocket staging: Balloon Staging- Lunar Landing: Swinging Tray- Lunar Base Supply: Egg Drop
• More Force and Motion Activities
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Lunar Nautics
Overview
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Materials and ResourcesLunar Nautics Educator Guide and Student
HandbookAdditional resources may be purchased from
NASA CORE- CD-ROM- Kit for Visually/hearing Impaired
Lunar Nautics Education Guide webcast
http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/Lunar_Nautics_Designing_a_Mission.html
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Let’s Pause for Questions.
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Product Overview• Grade Level: Middle School• Hands on Curriculum• Correlates to National Science and Math
Standards: Physical Science• Total Project length: 6 – 30 hours• Weeklong day camp• After-school programs• Classroom unit• Includes Master supply
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Featured Activities
• Rocket Staging: Balloon Staging• Lunar Landing: Swinging Tray• Lunar Base Supply: Egg Drop
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Poll Audience
Have you ever done similar activities before?A –yesB- noC- unsure
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NASA ConnectionNewton’s laws of Motion
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First Law of motion
An object at rest will stay at rest, and an object in motion will stay in motion at constant velocity, unless acted upon by an unbalanced force.
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The greater the force, the greater the acceleration
The greater the mass, the greater the force needed for the same acceleration
Calculated by: F = ma(F = force, m = mass, a = acceleration)
Second law of motion
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Third Law of motionWhenever an object exerts a force on another object, the second object exerts an opposite but equal force on the first.
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Review Newton’s laws of Motion
[Use the chat room to respond]
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Featured lessonsExpected outcomes
Students will conduct investigations that will include investigation data, results, and how the investigations relate to NASA.
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Poll AudienceWhich object will hit the ground first if dropped from the same height?
A. Textbook B. Sheet of paperC. Both
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Poll Audience
What do you think will happen if the same experiment was done on the moon ? Which will object will hit the ground first?
A. Textbook B. Sheet of paperC. Both
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David Scott
Apollo 15 Astronaut
geologic hammer falcon feather
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Newton’s First LawAn unbalanced force is needed to start the rocket moving.
Once moving, the rocket will keep moving in a straight line unless it is acted upon by another unbalance force
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Newton’s Second LawThe strength of the force is determined by the equation F = ma
The faster a rocket burns its fuel mass and the greater the acceleration of the gases, the greater the thrust (force)
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Newton’s Third LawThe force will produce an action (exhaust gases) and a reaction (movement of rocket) that are equal but opposite.
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Let’s Pause Questions.
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Featured lessonsExpected outcomes
Increase student ability to apply science, technology, engineering, mathematics, and geography concepts and skills in meaningful ways.
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Balloon R
ocket
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Purpose
Learn how rockets can achieve greater distance by using the technology of staging.
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Materials per team• 2 long, party balloons• Nylon monofilament fishing line • 2 plastic straws (milkshake size)• Styrofoam coffee cup• Masking tape• Scissors• 2 spring clothespins
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Discuss Questions
• Which Newton’s laws of motion are demonstrated by this?
A. 1 B. 2 C. 3 D. All
• How might other launch arrangements such as side-by-side balloons and three stages work?
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Let’s Pause Questions.
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Sw
inging tray
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Purpose
• Metal pizza tray• String• Duct tape• Plastic cup• Water• Food coloring• Hard hat• Safety glasses
Learn that gravity acts as a centripetal force that keeps satellites in orbit and controls the path of the moon.
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Supporting videos
Classroom Video: Swinging tray
1. Classroom Video: The bucket
3. PSI: Give it a Whirl
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Discussion Questions• What do we call the path that the tray
moves in?• If the strings are held at a shorter distance
to the tray, shortening the tray’s orbit, what happens to the speed of the tray?
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Let’s Pause Questions.
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Lunar Base S
upply E
gg Drop
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Materials per team
• Eggs• Scissors• Cups• Straws• Paper towels• Cotton balls• Plastic bags• Bubble wrap• Round balloons
• String• Drop cloth• Role Cards• Masking tape
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Supporting videos
Classroom Video: Egg drop
PSI: Egg-Stream Impact
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Discussion questions• What structures worked well?• What structures did not work well?
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Poll the audience
Do you plan to use these activities in your classroom?
Balloon staging
Swinging Tray Egg Drop
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More Force and
Motion A
ctivities
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More Force and Motion activities
• Pop Bottle Rocket — Investigates designing, building and testing a model rocket.
• Spacesuits: Potato Astronaut —Investigates how the layers of a spacesuit protect an astronaut.
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More activities
• Bending Under Pressure: How pressure affects astronauts movements in their spacesuits.
• Microgravity/Come-Back Bottle: How toys act on Earth and in free fall.
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Let’s Pause for Questions.
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NASA Explorer Schools Forums
One forum for each module
http://neon.intronetworks.com/#
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http://[email protected]
http://neon.intronetworks.com/#
http://[email protected]
http://neon.intronetworks.com/#
NASA Explorer Schools
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Thank you to the sponsor of tonight's Web Seminar:
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http://learningcenter.nsta.org
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http://www.elluminate.com
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National Science Teachers AssociationDr. Francis Q. Eberle, Executive Director
Zipporah Miller, Associate Executive Director Conferences and Programs
Al Byers, Assistant Executive Director e-Learning
LIVE INTERACTIVE LEARNING @ YOUR DESKTOP
NSTA Web SeminarsPaul Tingler, Director
Jeff Layman, Technical Coordinator