A student is cooking macaroni and cheese for dinner. The student places a pot on the stove, boils water in the pot, places noodles in the boiling water, and watches the noodles float and sink in the pot. Explain the types of heat transfer that are occurring as the student cooks the noodles.

Convection, because convection causes the tendency of hotter and therefore less dense materials to rise. Conduction, because the heat is being transferred directly from the heated water to he noodles, and radiation, because the heat is being radiated from the burner on the stove to the pot and subsequently heating up the water.

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