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Showing results 501 to 520 of 987

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In this activity, learners apply Ohm’s Law to construct voltage divider circuits. Learners discover how to read resistor codes and calculate resistor values.

Over $20 per group Ages 14 - 18 2 to 4 hours
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In this activity, learners observe colors in the flame of a burning candle to explore connections between matter, light, color and temperature -- basic concepts of matter and energy.

$1 - $5 per group Ages 14 - 18 45 to 60 minutes
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In this activity, learners explore how engineers use scales and measures when designing a manufacturing process to ensure that final products are uniform in weight or count.

$1 - $5 per group Ages 11 - 18 2 to 4 hours
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In this activity learners will build roller coasters and test them using small balls or marbles.

$5 - $10 per group Ages 4 - adult 10 to 30 minutes
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In this fun and simple hands-on astronomy activity, learners construct a model of our place in the Milky Way Galaxy and the distribution of stars, with a quarter and some birdseed.

$5 - $10 per group Ages 8 - adult 10 to 30 minutes
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This fun hands-on astronomy activity lets learners explore models of the Milky Way and other galaxies to get a sense of relative distances to other galaxies.

1 cent - $1 per group Ages 8 - adult 45 to 60 minutes
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In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, volume, density, and bounce height.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
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In this activity (Lesson 1), learners work in groups to create tide simulations.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners will build a bee hotel for pollinators. Learners will explore building and ecology through this activity.

$1 - $5 per group Ages 4 - 14 10 to 30 minutes
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In this activity, learners will repurpose an old t-shirt to create their own yarn or string.

$1 - $5 per student Ages 4 - 14 30 to 45 minutes
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In this data collection and analysis activity, learners evaluate fish physiology and ecology using vision research data from Dr.

free Ages 14 - 18 1 to 2 hours
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In this activity, learners conduct a waste audit and use their findings to implement a plan for reducing trash.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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This three-part lab helps learners understand the essential principles governing diffusion and osmosis.

Over $20 per group Ages 14 - 18 4 to 24 hours
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In this activity, learners will estimate how many seeds are in a fruit or vegetable, then count to find out. The result: mix estimation with healthy eating.

1 cent - $1 per group Ages 4 - 14 10 to 30 minutes
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In this activity, learners investigate the relative growth of lengths, areas, and volumes as cylinders are scaled up.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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Learners experiment with water gel crystals, or sodium polyacrylate crystals, which absorb hundreds of times their weight in water. When in pure water, the water gel crystals cannot be seen.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners calculate their water usage (in cups and galloons) during an average shower. Learners also chart and analyze water usage during showers in their households.

free Ages 6 - 11 45 to 60 minutes
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In this quick activity, learners take a balance challenge to measure their average balance time. As they collect data, they investigate how practice and repetition improve their balance time.

$5 - $10 per group Ages 8 - 11 5 to 10 minutes
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In this goopy activity (page 2 of PDF under GPS: Glaciers Activity), learners will model glacial movement with “gak,” a white glue and liquid starch mixture.

Over $20 per group Ages 8 - 14 10 to 30 minutes
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This activity (located on page 3 of the PDF) is a full inquiry investigation into bird behaviors.

free Ages 8 - 14 2 to 4 hours