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Dig a hole, line it, fill it with fresh water, and you have a water hole: a good place to study colonization.

In this experiment, learners work in pairs to create two gloves -- one that contains a layer of shortening (blubber) inside, and one that doesn't.

In this lab, learners grow broad bean (also called fava bean) plants in three EarthBoxes for a few weeks before exposing one to wind (using a fan), another to heat (using a lamp), and the third to not

This is an activity (located on page 3 of the PDF) about the mixture of materials in bone and how they affect its strength.