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In this environmental education demonstration (page 6 of the PDF), learners will see a tangible representation of the scarcity of soil resources on earth.

$1 - $5 per group Ages 8 - 11 10 to 30 minutes
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In this activity (page 11 of PDF), learners compare the air pressure within a dark and a light bottle both heated by the sun, and discover that solar energy can be collected and stored in many ways


$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this yummy activity about soil (page 9 of PDF), learners will create layers of soil using food. They will learn about the composition and role of each layer.

$1 - $5 per student Ages 8 - 11 30 to 45 minutes
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In this activity (page 5 of the PDF), learners will create a food web and explore food sources for different organisms. They will identify relationships between organisms in an ecosystem.

$1 - $5 per group Ages 6 - 11 45 to 60 minutes
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In this weather activity (page 10 of the PDF), learners will demonstrate the changes in atmospheric pressure by constructing their own barometer.

$1 - $5 per student Ages 11 - 18 1 to 7 days
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In this geology activity (page 3 of the PDF), learners simulate an earthquake with little more than an elastic band and drinking straws.

$1 - $5 per student Ages 14 - 18 10 to 30 minutes
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In this geology activity (page 6 of the PDF), learners explore how carbonic acid can slowly dissolve limestone and form caves.

$1 - $5 per group Ages 11 - 14 10 to 30 minutes
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In this environmental science activity (page 4 of the PDF), learners use vinegar and chalk to observe the effect of acid rain on various building materials and plant life.

$1 - $5 per group Ages 6 - 14 4 to 24 hours
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In this activity, learners will explore the roles of different animals in the food chain. They will create their own food chain using organisms of their choice.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes