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In this outdoor activity, learners investigate spider webs and feeding behavior, particularly how spiders trap food in their sticky silk webs while not getting stuck themselves.

$5 - $10 per group Ages 6 - 18 45 to 60 minutes
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This activity (on page 3 of the PDF under GPS: Biodiversity Activity) is a full inquiry investigation into biodiversity.

free Ages 8 - 14 1 to 2 hours
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In this activity (located on pages 9-14 of PDF), learners visit a cemetery to examine the distinguishing characteristics of rock weathering.

free Ages 8 - 14 1 to 7 days
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In this outdoor, warm weather activity, learners use sweepnets to search a grassy area such as a large lawn or field, collecting small animals to find as many different kinds of animals as possible.

$5 - $10 per group Ages 6 - 14 45 to 60 minutes
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Learners construct a bird feeder from re-used materials. After hanging their feeder, they keep a journal about what birds visit the feeder.

$1 - $5 per student Ages 6 - 11 1 to 4 weeks
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In this activity (located at the top of the page), learners make an easy river strainer and see what they can catch.

$1 - $5 per student Ages 4 - 11 1 to 2 hours
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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 outdoor activity, learners will gather natural materials outside that they think a dinosaur would want to lay its eggs in.

free Ages 4 - 11 5 to 10 minutes
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In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.

1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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In this activity (on pages 6-11), learners work as a team to investigate how impact craters on Earth, the Moon or other planets take shape and what patterns they make.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners explore the different heating properties of soil and water.

$1 - $5 per group Ages 8 - 14 2 to 4 hours
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In this activity (page 1 of the PDF under SciGirls Activity: Double Dutch), learners will stand twelve feet apart swinging a rope at the slowest tempo possible while someone uses a stopwatch to record

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.

1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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In this outdoor activity, learners make models of homes that might protect small animals from the elements, then search living plants for real structures made by small animals.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this activity on page 27, learners perform an experiment to learn about how different types of marine debris degrade and how weather and sunlight affect the rate of degradation.

$1 - $5 per group Ages 8 - 14 1 to 12 months
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In this activity, learners use a simple 3D model to discover why the Moon has phases.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners model ancient lunar impacts using water balloons.

Over $20 per group Ages 8 - 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 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 make a photographic image—without a camera!

$5 - $10 per student Ages 6 - 18 30 to 45 minutes