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Candy Dish Natural Selection
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In this yummy biology activity (page 3 of the PDF), learners participate in a demonstration of natural selection.
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Big Wave
Source Institutions
This is an activity about waves. Using marbles, paper clips and rubber bands, learners explore how waves behave.
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Open Heart: Virtual Bypass Surgery
Source Institutions
In this online activity about heart disease, learners will, with the virtual help of an actual surgeon, watch a virtual bypass surgery.