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In this activity, learners test the pH of safe liquids available at home by creating a pH indicator from mashed blueberries.

In this lab exercise, learners explore diffusion, cell membranes and particle size using beets and three alcohols.

In this activity, learners explore a bucket of sand and beach objects.

In this activity, learners explore deoxyribonucleic acid (DNA), a nanoscale structure that occurs in nature.

In this activity, learners make balloon models of disease-causing bacteria.

Learners use Benedict’s solution and heat to test for the presence of simple sugars in glucose, sucrose, starch, and starch combined with amylase.

In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.