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In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed.

In this activity, learners examine ways that Native Americans of the Southwest express their relationship with nature through art.

In this lab (Activity #1 on page), learners explore how we see color.

In this hands-on activity, learners investigate the functional design of leaves on a tree.

In this activity, learners investigate balance and symmetry by designing a symmetrical butterfly, using a paper cutout.

In this activity, learners explore how engineers design devices that can detect the presence of pollutants in the air.