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Showing results 121 to 140 of 387
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Convection Current
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In this activity, learners make their own heat waves in an aquarium.
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LEGO Orrery
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Use this model to demonstrate the goal of NASA's Kepler Mission: to find extrasolar planets through the transit method.
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Good Vibrations
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In this activity, learners experiment with their voices and noisemakers to understand the connections between vibrations and the sounds created by those vibrations.
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The Shadow Knows II
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In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.
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Weather Stations: Storms
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In this activity, learners test how cornstarch and glitter in water move when disturbed. Learners compare their observations with videos of Jupiter's and Earth's storm movements.
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Submersibles and Marshmallows
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In this activity, learners discover the difficulty of ocean exploration by human beings as they investigate water pressure.
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Neutralizing Acids and Bases
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Learners use their knowledge of color changes with red cabbage indicator to neutralize an acidic solution with a base and then neutralize a basic solution with an acid.
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Bark Beetle Infestation Investigation: Estimation and Pheromones
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This activity investigates how bark beetles can threaten forests by having learners estimate the number of infected trees from a photo.
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A Dissolving Challenge
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In this activity, learners add objects and substances to carbonated water to discover that added objects increase the rate at which dissolved gas comes out of solution.
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Wash This Way
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In this activity on page 4 of the PDF, learners investigate the importance of washing their hands.
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Water: Clearly Unique!
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In this activity on page 4 of the PDF (Water in Our World), learners conduct some quick and easy tests to determine the differences between water and other liquids that look very similar to water.
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Coupled Resonant Pendulums
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In this activity, learners discover that two pendulums suspended from a common support will swing back and forth in intriguing patterns, if the support allows the motion of one pendulum to influence t
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Spill Spread
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In this simulation, learners explore how ocean currents spread all kinds of pollution—including oil spills, sewage, pesticides and factory waste—far beyond where the pollution originates.
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Rippin' Rockets
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In this activity, learners work in pairs to conduct a series of experiments using a balloon, drinking straw, and paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-374.png?itok=drQbeaf_)
Kites
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In this engineering/design activity, learners make a kite, fly it, and then work to improve the design. Learners explore how their kite design variations affect flight.
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Does Size Make a Difference?
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In this activity on page 15 of the PDF, discover how materials and physical forces behave differently at the nanoscale.
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Ziptop Bag Chemistry
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In this chemistry activity, learners perform three chemical reactions in a sealed zip-top bag. Learners will record their observations and classify the changes as chemical or physical.
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What Causes Wind?
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In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.
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Control the Flow
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In this activity about electricity, learners build and test a paper clip switch to turn on a light bulb.
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Rockets Away!
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In this activity, learners work in teams to construct and test fly drinking straw rockets. Learners explore how changing the rockets' fins affect flight distance.