Poinciana Elementary; Sabal Palm Elementary; Sea Gate Elementary; Shadowlawn Elementary; Tommie Barfield Elementary; Veterans Memorial Elementary; Village Oaks Elementary; Vineyards Elementary; Training Resources; Lorenzo Walker Technical College; Immokalee Technical College; Adult Education; Alternative School Programs; Community Education; CCPS Elementary Math
How Microwaves Cook Food. When you hit the start button it usually takes about 2 seconds to heat up a filament inside the magnetron tube, says Schiffmann. The microwaves are then blasted into the food compartment. The commonly used frequency of microwaves, 2.45 gigahertz, is easily absorbed by water, fat, and sugar.
So, microwaves are just high-frequency electromagnetic waves, and your microwave oven creates a high-intensity electromagnetic field to cook your food. But what are those waves really doing in there?