Cooking and Chemical Changes

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Cooking and Chemical Changes

Some foods have to be cooked so that they are safe to eat

Some methods of cooking food:

  • Boiling
  • Steaming
  • Frying
  • Grilling

This can happen in an oven or microwave or such other appliances

Food has a better taste and texture when cooked

Some foods are easier to digest (flour, potatoes)

High temperatures kill off microbes

Some foods are poisonous unless cooked (red kidney beans)

Cooking food = new substances

Chemical change has happened

Cooking process is irreversible


Eggs and Meat - Sources of


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