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In this activity, young learners (2 years and up) explore flower and plant biology and pollination by planting seed in a homemade seed starter.

This activity (on pages 19-24) introduces learners to the rain forest's layers—emergent, canopy, understory, and forest floor—and has learners make paper lianas (vines that live attached to trees) and

In this activity, learners build one or more edible coral polyps and place them together to form a colony.

In this two-part activity, learners compare and contrast a variety of life cycles to better understand different organisms and how they develop.

In this outdoor activity, learners become beachcombers as they walk on a sandy beach in search of evidence of life.

In this outdoor activity, learners release a portion of a lawn from human control—no mowing, no watering, no weeding, no pest control—and then investigate the changes that result over several weeks.

In this activity, learners play NOAA's Carbon Tracker game and discover ways to keep track of carbon dioxide and other greenhouse gases in the world.