The three ways heat cooks food.

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Food gets hot when molecules vibrate so fast that their temperature rises. when cooking outdoors, heat is transferred to food by three methods. Which one you use is crucial. These processes have been described this way:

Conduction is when your lover's body is pressed against yours.
Convection is when your lover blows in your ear.
Radiation is when you feel the heat of your lover's body under the covers without touching.

Easy way to remember it for a science test.
The Thermodynamics Of Cooking And How Different Cooking Methods Work