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Malformed Frogs

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This activity (on page 2 of the PDF under SciGirls Activity: Malformed Frogs) is a full inquiry investigation into using indicator species to assess the health of an environment.
Over $20 per group Ages 8 - 14 1 to 2 hours

Pedal Power

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In this engineering activity, learners examine bicycle mechanics and gear ratios. Learners determine which gears will help them bike a set course in the shortest amount of time.
1 cent - $1 per group Ages 8 - 14 1 to 2 hours