How Foods Get Cooked in the Microwave

Food Food

  • Microwave Principle Microwave Principle

    • The microwaves that penetrate the food have an electric field that oscillates 2.45 billion times a second, a frequency that is well absorbed by polar liquid molecules such as water, sugars, fats and other food molecules.
    • Water interacts with the microwave

                    -flipping its orientation back and forth very rapidly

                    -bumping into one another and producing heat, cooking the food.

    • Glass, paper, ceramic, or plastic containers are used as the microwaves pass through them
    • Metal reflects microwaves- Unsafe to have metal pans/aluminum foil in oven, may damage oven

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