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In this wintertime outdoor activity, learners role play wolves tracking their prey by following scented trails.

$1 - $5 per group Ages 6 - 14 45 to 60 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 will code an algorithm to make it through a maze.

$1 - $5 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners will take a step back and learn the history of the land they live on, and the people who used to live on it.

$1 - $5 per student Ages 6 - adult 30 to 45 minutes
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In this activity, learners work in teams to build and test paper airplanes. Learners try to fly their airplanes directly on the runway and earn points for accuracy.

$1 - $5 per group Ages 6 - 11 10 to 30 minutes
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In this activity, learners watch a figure "magically" float up through the air.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners will discover how fossils are dug out of the earth by carefully exposing treasures hidden in an artificial rock that is easily made at home.

$1 - $5 per student Ages 6 - adult 10 to 30 minutes
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In this activity, learners play a game to simulate the food chain.

$1 - $5 per group Ages 6 - 11 10 to 30 minutes
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In this activity, learners will investigate the sounds of the heart.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners separate a mixture of pebbles, salt crystals, and wood pieces. They add water and pour the mixture through a strainer.

$1 - $5 per group Ages 4 - adult Under 5 minutes
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In this activity, learners explore healthy choices related to the liquids they drink. The importance of water and milk as essential nutrients for a healthy body is the focus of the experience.

$1 - $5 per group Ages 4 - 8 45 to 60 minutes
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In this activity on page 6 of the PDF, learners use glue instead of glass to create artwork that can be hung in a window.

$1 - $5 per student Ages 6 - 14 4 to 24 hours
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This activity provides instructions for making an aircraft that can really fly using a straw and paper hoops!

$1 - $5 per student Ages 4 - 11 10 to 30 minutes
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In this activity on page 7 of the PDF (Chemistry—It’s Elemental), learners use iodine to identify foods that contain starch.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners use design thinking to design and build their own bridge out of household materials including adhesives and/or connectors.

$1 - $5 per student Ages 6 - 18 30 to 45 minutes
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In this activity, learners create a biosphere in a baggie.

$1 - $5 per student Ages 4 - 11 1 to 7 days
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In this engineering/design/arts and crafts activity, learners design and build "platforms" or "bridges" that can hold weight, and test which glue makes the strongest structure.

$1 - $5 per student Ages 6 - 14 1 to 2 hours
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This activity provides step-by-step instructions on how to build a rain stick, a musical instrument originating in South America.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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Learners investigate the properties of the liquids in two bottles. One contains layers of oil and water, and one contains oil, water, and soap.

$1 - $5 per group Ages 4 - 14 10 to 30 minutes
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In this activity, learners work in teams to construct and test fly drinking straw rockets. Learners explore how changing the rockets' fins affect flight distance.

$1 - $5 per group Ages 6 - 11 10 to 30 minutes