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

In this activity, learners observe what happens when yeast cells are provided with a source of food (sugar). Red cabbage "juice" will serve as an indicator for the presence of carbon dioxide.

In this activity about the relationship between food and energy (page 5 of PDF), learners conduct an experiment to compare how much energy is released as heat from two different foods.

In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.