LearningCausesv1

Microwaves heat water-rich food

An alternating electromagnetic field drives molecular motion.

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Output
Warmer food, often heating unevenly from its composition and shape
Input
Water-rich food placed in a microwave oven
Relationship

What connects the input and output?

The changing field interacts strongly with polar molecules and ions. Their motion and collisions distribute energy as heat.

Sources

1
  1. www.fda.gov: Microwaves heat water-rich foodwww.fda.gov

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