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

Learners use a mortar and pestle to extract clove oil from cloves using denatured alcohol. They put this oil on paper, which they can take home.

In this activity, learners help identify native and non-native plant species, learn about invasive species, and determine how native plants provide a healthier habitat.

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

In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.