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Learners are given mysterious white powders and have to determine their identity with chemical tests.

In this chemistry activity (page 3 of the PDF), learners will observe a chemical change, specifically what happens to iodine when it is applied to ripe and unripe apples.

In this activity, learners conduct tests for proteins, glucose, and starch.

Some animals can swallow food whole, but humans have to chew. In this activity, learners will investigate what saliva does chemically to food before we even swallow.

In this activity, learners investigate vitamin C.