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Why Circulate?
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In this activity related to the human circulatory system (on page 10 of the PDF), learners observe the dispersion of a drop of food coloring in water, draw conclusions about the movement of dissolved
The Heart as a Pump
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Learners will build a homemade pump using a balloon, a mason jar, and some straws.
Investigating Convection
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This experiment is designed to illustrate how fluids, including water, have the ability to flow.