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Showing results 81 to 100 of 293

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In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners will test soil content using their sample, some water and a container that seals.

1 cent - $1 per student Ages 4 - adult Under 5 minutes
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In this activity, learners will experiment with changing flower colors. Learners will investigate the effects of acids and bases on flower colors.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners use their sense of smell to explore the world on the nanoscale.

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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In this tabletop board game, players will represent a team of scientists and engineers sending a spacecraft on a mission to space.

1 cent - $1 per group Ages 4 - adult 30 to 45 minutes
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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.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners compare and contrast their own skin (including the area covered) with that of an orange.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity.

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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In this activity on page 15 of the PDF, discover how materials and physical forces behave differently at the nanoscale.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants.

$5 - $10 per group Ages 8 - 14 1 to 4 weeks
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In this activity on page 6 of the PDF (Chemistry—It’s Elemental), learners explore some of the properties of copper using a few common household ingredients.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this design challenge, learners build a boat that paddles itself using a rubber band as its power source.

$1 - $5 per student Ages 8 - 14 30 to 45 minutes
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In this design challenge activity, learners invent a device that will make their friends and family ask, "What's buzzing?" Learners design an alarm with an on/off switch that is small enough to hide.

$5 - $10 per student Ages 8 - 14 10 to 30 minutes
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This is a virtual representation of a sound mixer containing pre-looped sounds of animal, insect, and environmental noises.

free Ages 6 - 11 5 to 10 minutes
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In this engineering activity, challenge learners to construct a paper bridge that can support 100 pennies.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this design challenge activity, learners invent a pinball-like game where a kick stick hits a ping pong ball into a target that buzzes.

$10 - $20 per student Ages 8 - 14 45 to 60 minutes
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In this engineering activity, learners design their own board games.

$1 - $5 per group Ages 8 - 14 2 to 4 hours
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In "Chemistry is Colorful" learners explore different materials through paper chromatography.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
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This activity models some of the ways natural processes, such as erosion and sediment pollution, affect Earth’s landscape.

Over $20 per group Ages 4 - adult 5 to 10 minutes
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In this hands-on activity, learners use the steps of the design process to create a hook to rescue a "space capsule" from the water.

$1 - $5 per group Ages 6 - 11 30 to 45 minutes