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This activity about density provides instructions for making a miniature "lava lite" with just salt, oil, water, and food coloring.

1 cent - $1 per student Ages 4 - 8 10 to 30 minutes
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In this fun gardening activity, learners discover their soil type. There are three basic soil types: sand, silt, and clay.

1 cent - $1 per student Ages 6 - 14 4 to 24 hours
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In this hands-on botany activity, learners sprout vegetables in film canisters.

1 cent - $1 per student Ages 4 - 11 1 to 4 weeks
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This activity is an investigation of static electricity. What happens when you get "static cling?" Basically, you pile up electrons on one thing, which attracts the protons in something else.

1 cent - $1 per student Ages 4 - 11 5 to 10 minutes