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In this activity (on pages 13-16 of the PDF) learners investigate three mystery samples to see which one contains life. The three samples are sand, sand and yeast, and sand and antacid.

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

This activity (on pages 10-12 of the PDF) encourages learners to consider what makes living things different from non-living things.

In this activity, learners play a series of simple games to investigate navigation without visual and sound cues.

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 build models of comets, using edible materials, to learn about comets' structure.

In this outdoor activity, learners explore UV rays from the Sun and ways to protect against these potentially harmful rays.