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This is a comprehensive lesson plan on page 85 for a group cleanup trip to a local beach, lake or stream. Learners keep track of the types and amounts of trash picked up and analyze this information.

$5 - $10 per group Ages 14 - 18 1 to 7 days
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In this activity, learners use Styrofoam to collect organisms from a pond, estuary or marine environment and then examine what they have caught with a microscope.

$1 - $5 per group Ages 8 - 18 1 to 7 days