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Showing results 421 to 429 of 429

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In this data analysis and environmental science activity, learners examine the effects of pollution on amphipods using data from the Chesapeake Ecotox Research Program.

$1 - $5 per student Ages 14 - 18 45 to 60 minutes
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This is an activity where learners will discover what types and how many insects live in their own backyard.

$1 - $5 per student Ages 4 - 18 30 to 45 minutes
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In this activity, learners explore a bucket of sand and beach objects.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes
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In this lab (Activity #1 on page), learners compare bacteria growth on two petri dishes containing nutrient agar: one that has been touched by a finger washed only with water and one that has been tou

$1 - $5 per group Ages 8 - 18 1 to 7 days
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In this activity, learners explore the relative sizes and distances of objects in the solar system.

$1 - $5 per group Ages 8 - 18 30 to 45 minutes
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In this activity (2nd activity on the page), learners explore the sensitivity of their sense of touch.

$1 - $5 per group Ages 4 - 18 5 to 10 minutes
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In this activity, learners explore electricity and conductivity to find that many things conduct electricity including copper, pencil lead, fruit, play-doh, and even people!

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
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In this activity, learners explore the great pump in their chests--the human heart!

$1 - $5 per group Ages 8 - 18 30 to 45 minutes
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In this activity, learners model atmospheric convection currents using food coloring, water, and clear cups. Activity includes step-by-step instructions, STEM connections, and more.

$1 - $5 per group Ages 4 - 18 5 to 10 minutes