Fuels
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What is a fuel?
A substance that can be eaten or burned to produce energy
What form of energy can be found in food?
Stored energy
What is input energy?
The energy we need to put in to start the fuel.
Which two energies are output energies when a candle is burned?
Heat and light energy
Where do our bodies get energy from?
The food we eat.
We use this energy to ______, walk and play.
Run.
What are the 3 energies that are produced by burning fuel?
Heat, light and movement or kinetic energy.
Energy from the sun is used by ________ to make food?
Plants.
Name the 6 types of energy?
Kinetic, sound, light, heat, electrical and potential energy.
Gravitational energy forms part of which energy? Give 3 examples.
Gravitational energy forms part of potential energy. Bouncing ball, soccer ball, tennis ball.
A bow and arrow is an example of _________ energy which forms part of _________ energy?
Elastic. Potential.
Which 3 fuels are used for heating and cooking?
Coal, Gas and Paraffin.
When the ________ is burned in a car’s engine, the ________ energy makes the engine work producing ________ energy.
Petrol. Heat. Movement or Kinetic.
The string of a candle is called a ________. When burned, it gives ________ energy.
Wick. Light.