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Showing results 281 to 300 of 2056

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In this activity, learners use whale count data from the Hawaiian Islands Humpback Whale National Marine Sanctuary to compare whale counts in relation to environmental factors.

free Ages 14 - 18 1 to 2 hours
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In this activity, groups cut out and sort cards showing items recovered from a crash landing on the Moon. The 12 items range from food and water to rope and matches to a self-inflating life raft.

1 cent - $1 per group Ages 6 - adult 10 to 30 minutes
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Learners set up three different bowls, each with a different mass of oatmeal. Learners monitor the temperature of the oatmeal and find that larger masses take longer to cool.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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Create an illusion where it appears that your hand has a hole in it. You'll see the results from when one eye gets conflicting information.

1 cent - $1 per student Ages 4 - 14 Under 5 minutes
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In this demonstration, learners explore the thermal properties of rubber. Learners investigate whether a rubber band contracts or expands when heated.

$1 - $5 per group Ages 14 - adult 10 to 30 minutes
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In this group activity, learners see and hear the speed of sound. A learner designated the "gonger" hits a gong, once every second, as the rest of the group watches and listens from a distance.

$1 - $5 per group Ages 11 - 18 10 to 30 minutes
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In this engineering activity, learners build a device (an anemometer) to measure how fast the wind is blowing.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners explore the behavior of cold-blooded animals. Learners discover what happens when they change a fly's temperature.

$1 - $5 per group Ages 4 - 14 45 to 60 minutes
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In this creativity-based activity, learners imagine what the Earth will look like in the near and distant future, then design their own future habitat and creatures that may live there.

1 cent - $1 per student Ages 6 - 14 30 to 45 minutes
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In this activity, learners use plastic tubing and a funnel to listen to their heart. Learners also discover that if they run around, their heart pumps harder and faster, making it easier to hear.

$1 - $5 per student Ages 4 - 14 5 to 10 minutes
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Learners mix vinegar and baking soda together in a bottle to create a chemical reaction. The reaction produces a gas, carbon dioxide, which inflates a balloon attached to the mouth of the bottle.

$1 - $5 per student Ages 6 - 14 Under 5 minutes
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In this activity, learners will experiment with density and chemical reactions to create a flurry activity.

$1 - $5 per student Ages 4 - 11 5 to 10 minutes
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In this activity, learners (at least three) work together to explore the effects of atmospheric pressure.

1 cent - $1 per group Ages 14 - 18 10 to 30 minutes
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In this robotics activity, learners find ways to express emotions and feelings using only body movements, not facial expressions.

free Ages 8 - 14 45 to 60 minutes
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In this optics activity, learners explore color by examining color dots through colored water and the light of a flashlight.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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This is an activity about prediction. How far can you hop in 5 seconds? Could you make it to the door? Across the room? Everyone lines up and tries it.

free Ages 4 - 11 10 to 30 minutes
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In this activity (pages 3-4), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.

$5 - $10 per student Ages 8 - adult 10 to 30 minutes
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In this activity, learners eat a snack and make a model of the plumbing system of a volcano.

$5 - $10 per group Ages 8 - 18 10 to 30 minutes
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In this optics activity, learners explore how light bends and affects what we see.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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In this activity, learners explore polymer structure and their ability to reform around objects by attempting to stab a wooden skewer through a balloon without popping it.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes