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In this activity, learners describe an object they can’t see. After someone picks outs a few mystery objects and places them in a pillowcase, learners will investigate using only their hands.

In this activity, learners use a microscope to examine three different microbes: bacteria, yeast and paramecia. Educator will need to prepare the yeast solution one day before the activity.

In this activity (pages 17-31), learners are introduced to techniques that are used to determine the structures of solid materials.

This is an activity (located on page 3 of PDF under Nasturtium Leaves Activity) about surface tension.