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Fat is a very important component in our diet. It's the most efficient source of energy in our bodies, and plays an important role in the flavor of foods.

In this activity, learners burn a peanut, which produces a flame that can be used to boil away water and count the calories contained in the peanut.

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

In this activity, learners investigate the food, water, and space needs of common livestock animals.