Physics
Fox
Summary
- Much of the energy we use comes from burning fuels (also known as combustion).
- Examples of fuels include:
- The fire triangle shows the 3 things needed for combustion to happen: fuel, heat and oxygen.
- Burning fuel releases heat — so if more fuel and oxygen is available, the burning will keep on going.
- More heat is released than is needed for more combustion. This extra 'left over' heat is the thermal energy we use!
- Energy from combustion has many uses, such as transportation, heating buildings, and generating electricity.
- During combustion, chemical energy is converted into thermal energy.
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