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In this environmental science activity, learners research what is essential for plant life and the necessary components of soil to support plants.

In this activity (on pages 22-24 of the PDF), learners match extreme enviroments with life forms they support.

In this activity, groups of learners work together to create edible models of chemicals involved in autotrophic nutrition.

In this astrobiology activity (on page 11 of the PDF), learners consider what organisms need in order to live (water, nutrients, and energy).

In this activity, learners explore the work of paleontologists.