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In this exercise and nutrition activity, learners will explore how food is the fuel that powers them. They will create a chart to figure out how many calories they burn during recess.

$5 - $10 per student Ages 11 - 14 1 to 7 days
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This is a series of quick activities/demos and pre-assessment tools that evaluate learners' current understanding of microbes and introduce them to basic information about microbes.

Over $20 per group Ages 8 - 14 45 to 60 minutes
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In this two-part activity, learners investigate buoyancy, density and surface area as well as biodiversity and the relationship between the structure and function of organisms.

Over $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners construct a playable kazoo from inexpensive materials. They will experience how vibration creates sound waves and music.

1 cent - $1 per group Ages 6 - 11 10 to 30 minutes
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In this activity, learners examine ways that Native Americans of the Southwest express their relationship with nature through art.

$5 - $10 per group Ages 4 - 11 30 to 45 minutes
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In this activity (3rd on the page), learners conduct a series of tests to find out which of their eyes is more dominant.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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In this activity, students will learn some key information about a San Francisco native animal and then write a firsthand account of their experience from the perspective of that animal in the time be

free Ages 8 - 11 30 to 45 minutes
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This activity is a whole-group kinesthetic demonstration that shows learners what it means to be in a "risk group" for developing heart disease based on family history and genetics.

1 cent - $1 per group Ages 11 - 18 10 to 30 minutes
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This activity attempts to clear up the common misconception that deserts are always hot, totally dry, and uninhabitable.

$1 - $5 per group Ages 4 - 11 30 to 45 minutes
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Have you noticed the plastic rings that are used to hold six-packs of soda? Those rings are great for carrying cans, but they're real trouble when they become trash that animals can get tangled in.

$1 - $5 Ages 8 - 14 45 to 60 minutes
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In this activity, learners develop spatial reasoning skills as they blow bubbles and observe what happens when the bubbles connect.

$1 - $5 per group Ages 4 - 8 10 to 30 minutes
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In this activity, learners conduct scientific research on multitasking. Learners determine if multitasking with media while doing homework affects their ability to successfully complete the homework.

free Ages 8 - 14 45 to 60 minutes
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By building a simple watershed with paper and markers and then using a spray bottle to simulate precipitation, learners will understand how pollution accumulates in our water sources, especially from

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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In this hands-on activity, learners investigate the functional design of leaves on a tree.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners will learn about a person they admire (famous, family or otherwise) or even themselves and create a life-sized silhouette.

$1 - $5 per group Ages 4 - 14 30 to 45 minutes
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In this activity, young learners use their sense of touch rather than sight to identify a mystery object in a bag. Learners take turns acting as "peekers" and "sensers" throughout the game.

$1 - $5 per group Ages 4 - 6 10 to 30 minutes
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In this activity, learners investigate different types of bird beaks using household items which mimic different beak examples.

$1 - $5 per group Ages 4 - 8 10 to 30 minutes
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In this activity, learners will use cereal to conduct an experiment and investigate how decreased bone density is related to increased risk of bone fracture.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners will examine various world data maps to combine the information and predict which areas could be tropical rainforests.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this movement and measurement activity, learners jump as far as they can three times, and compare their longest jump to the longest jump of their friends, classmates and/or family members.

$1 - $5 per student Ages 6 - 18 10 to 30 minutes