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Showing results 721 to 740 of 1508

Dunk and Flip
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Learners complete two simple experiments to prove the existence of air and air pressure which surround us.

Crew Strength Training
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In this activity, learners will train to develop upper and lower body strength in their muscles and bones by performing body-weight squats and push-ups.

Current Events
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Learners model the ocean currents that carry hot water from the tropics to northern latitudes.
Build a Borneo Glider
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In this inquiry-based activity, learners investigate the basic forces of flight as they construct their own paper glider that represents a rainforest creature from Borneo (large, tropical island in So

Robot Basketball
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In this activity, learners explore accuracy and precision.

Nano Latch-n-Catch
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In this activity, learners design a therapeutic agent to image and/or cure various diseases in the respiratory system.

Jet Propulsion
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In this two-part activity, learners work in pairs to examine the four basic stages of a turbine engine.

Arduino Blink Challenge
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In this activity, learners explore computer programming and the impact of computers on society. Learners build and test a program to turn a light on and off using an Arduino board.

Swing That Pendulum
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In this full inquiry activity (located on page 3 of the PDF under GPS: Kinetic Sculpture Challenge Activity), groups of learners will make predictions about which feature of a pendulum (mass, length,

Chair Lift Challenge
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In this activity, learners explore the unique challenges in transportation engineering, such as devising a method for skiers or hikers to get to the top of a mountain.

Whodunit?
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In this fascinating and fun experiment, learners use chemistry to identify a mystery powder and to solve a "crime," a process similar to that used by real forensic scientists.

Electroscope
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In this activity, learners make an electroscope out of a foam cup, straw, aluminum pie pan, thread, and foil. Learners use their electroscopes to test for static electricity.

Hot Air
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In this activity, learners set up an experiment to investigate the effects of hot air on the path of a laser beam.

Phenakistascope
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In this optics activity, learners build an animation tool to make mini movies. When you spin a phenakistascope, the pictures move so quickly that your eyes and brain can't separate the images.

Spectroscope
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In this activity, learners construct their own spectroscope as they explore and observe spectra from familiar light sources.

Kaleid-o-mania
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In this hands-on activity, learners build their own kaleidoscopes and explore how light can reflect of off surfaces such as mirrors, to produce beautiful patterns.

If Hot Air Rises, Why is it Cold in the Mountains?
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This demonstration/activity helps learners understand why higher elevations are not always warm simply because "hot air rises." Learners use a tire pump to increase the pressure and temperature inside

Below the Surface: Surface Tension II
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In this activity learners explore surface tension. Why are certain objects able to float on the surface of water and how do detergents break the surface tension of water?

Build a Band
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In this design challenge activity, learners build a four-stringed instrument that can play a tune.

Stomp Rocket
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In this activity, learners build rockets and shoot them into the air by stomping on the plastic bottle launchers.