Book 22, Question 135
Why Does Putting a Lid on a Pot Save Energy?
Cooking with the lid off lets heat slip away. Putting the lid on is an easy energy saver. Here is why! A pressure cooker uses a tight lid to cook food faster.
More fun facts
- Covering pots and pans while you cook makes food cook faster and uses less energy.
- Evaporating water carries heat away, because breaking the bonds between water molecules takes energy.
- Matching the size of the pan to the burner also saves energy.
- Clean burners and reflectors bounce heat back up toward the pot better.
- On a gas stove, flames should be blue. Yellow flames mean the gas is burning inefficiently.
- Small appliances like slow cookers, pressure cookers and microwaves use less energy than a big oven for small meals.
Questions kids ask
Can small appliances help in summer too?
Yes. They give off less heat than a big oven, so they can also save on cooling costs.