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Energy comes in many forms. What are they, how do they differ and what can they be used for?Key facts
- Energy is converted or transferred, but never lost.
- Energy is measured in joules (j).
- Kinetic, heat, sound, light, electrical, chemical, mechanical and potential are all types of energy.
- Whenever anything happens there is an energy change.
Transcript
Without energy, nothing would ever change... nothing would happen at all.
"5, 4, 3, 2, 1, fire..."
Energy gives objects the capacity to move or change condition – for example, change temperature, change shape, or change state.
And whenever anything happens, there is an energy change.
Either energy is converted into ...
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