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In this activity, learners will train to improve lung, heart, and other muscle endurance as they walk a progressive, measured distance.

free Ages 8 - 14 1 to 4 weeks
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This activity (page 2 of the PDF under SciGirls Activity: Bogs) is a full inquiry investigation into decomposition.

$10 - $20 per group Ages 8 - 14 1 to 4 weeks