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In this activity learners observe mold growth on different types of bread by measuring and recording the growth rate.

In this activity, learners explore chemistry and the microbial world by making their own sourdough starter and bread at home using only flour and water.

In this investigation, learners gather information on various food items during a field trip to a local grocery store.

In this environmental health activity, learners grow and observe bread mold and other kinds of common fungi over the course of 3-7 days.