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In this activity, learners try pouring water out of a regular cup and a miniature cup. It’s harder than it sounds! Learners discover that different forces dominate at different size scales.

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs.

1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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In this activity, learners will be introduced to citizen science projects that can be done from home.

free Ages 14 - adult 45 to 60 minutes
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In this activity, learners use chemistry to “self-assemble” gummy shapes. Learners discover that self-assembly is a process by which molecules and cells form themselves into functional structures.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
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In this activity (25th on the page) about learning and memory, learners explore a training method that animal trainers employ called "shaping." Working in pairs, learners will attempt to "shape" each

$1 - $5 per group Ages 8 - 18 10 to 30 minutes
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In this physics demonstration, learners will be surprised when a handkerchief holds water in an upside-down glass.

free Ages 4 - adult Under 5 minutes
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In this optics activity, learners discover basic lens-making techniques by using a tennis ball to make a lens out of ice.

$1 - $5 per student Ages 14 - adult 2 to 4 hours
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In this activity (on page 134 of the PDF), learners explore reaction time.

1 cent - $1 per group Ages 8 - 18 1 to 2 hours
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In this activity described on pages 2-3 of the PDF, participants debate whether there there's life elsewhere in the universe.

1 cent - $1 per student Ages 14 - 18 30 to 45 minutes
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In this activity related to magnetism and electricity, learners discover that a magnet falls more slowly through a metallic tube than it does through a nonmetallic tube.

$1 - $5 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners investigate the speed of chemical reactions with light sticks. Learners discover that reactions can be sped up or slowed down due to temperature changes.

$5 - $10 per group Ages 11 - 18 10 to 30 minutes
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This laboratory exercise is designed to show learners how DNA can easily be extracted from onion cells. It includes an optional test for the presence of DNA.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners explore chemistry and the microbial world by making their own sourdough starter and bread at home using only flour and water.

$1 - $5 per student Ages 6 - adult 1 to 7 days
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The purpose of this plant biotechnology activity is to demonstrate the effect of changes in the environment on the growth and fertility of landscape grasses and crop grasses such as wheat and rice.

$10 - $20 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners measure and calculate the amount of cubic feet various containers contain. Next, learners investigate cubic feet per second (cps), by carrying jugs in one second.

free Ages 11 - 18 45 to 60 minutes
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In this activity, learners capture and observe planaria, which are worms that eat tiny pond critters.

$1 - $5 per student Ages 4 - 18 10 to 30 minutes
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Learners use several types of insect sampling and collection equipment to make an insect collection. Learners can collect insects from their schoolyard or yard at home.

$10 - $20 per group Ages 14 - 18 1 to 2 hours
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In this activity, learners build a simple qualitative conductivity tester with a battery, bulb and foil.

$5 - $10 per student Ages 11 - 18 1 to 2 hours
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This lab activity is about toxic substances like pesticides and their effects on biological systems. The activity starts with an introduction of how birds sequester calcium to make an egg.

$10 - $20 per group Ages 14 - 18 1 to 7 days
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In this seismic simulation, learners play a "who-dunnit" game to explore earthquakes.

free Ages 11 - adult 1 to 2 hours