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In this activity, learners use earthworms as "unknown creatures" from the South American jungle to find out how animals use senses.

In this outdoor activity and observation game, learners hunt for a variety of textures, colors, odors and evidence of organisms in the activity site.

In this lab, learners experience how dolphins and other echolocating animals use their senses to locate and identify objects without using their sense of sight.

In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees.

In this activity, learners investigate the sense of sight and develop and conduct their own experiments.

In this online activity, learners discover how random variation influences biological evolution.

In this activity, learners solidify their conceptualization of cells by building a model of a cell in a ziplock bag.