How microwaves heat?

Posted Date: 06 Jun 2008 Resource Type: Articles/Knowledge Sharing Category: How things work

Posted By: Sruthi S Member Level: Silver
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Microwaves work mainly by agitating, or shaking the molecules of water with in the food. A molecule that shakes more has more heat energy-that is, it gets hotter. The heat energy is transferred from each water molecule to the other molecule around it.

The food cooks inside, instead of from the outside-in, like in a normal oven. The process also continuous for a while after the microwaves is switched off. So food from a microwave oven is left to “stand” for a while after wards to finish cooking.

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