PHYSICS P1a 2 - Using Energy

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What is Chemical Energy?
Energy that is stored in fuel and is released when chemical reactions take place.
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What is Kinetic Energy?
Energy in a moving object.
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What is Gravitational Potential Energy?
Energy of an object due to its position.
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What is Electrical Energy?
Energy transferred by an Electric Current.
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What is Thermal Energy?
Energy of an object due to its temperature.
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What is Elastic Energy?
Energy stored in a stringy object when we squash or stretch it.
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What is Sound Energy?
Energy created from sounds.
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Can you lose energy? Why not?
Energy cannot be lost, it just changes forms
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What tells us that energy cannot be created or destroyed?
Conservation Of Energy
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What is useful energy?
Energy transferred to where we want it to go, in the form we want it in.
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What is wasted energy?
Energy which is not usefully transferred.
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When energy spreads out it becomes.....
Less useful.
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How do you calculate the efficiency of the device?
effciency= useful energy transferred by device (divided by) total energy supplied to device.
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Other cards in this set

Card 2

Front

What is Kinetic Energy?

Back

Energy in a moving object.

Card 3

Front

What is Gravitational Potential Energy?

Back

Preview of the front of card 3

Card 4

Front

What is Electrical Energy?

Back

Preview of the front of card 4

Card 5

Front

What is Thermal Energy?

Back

Preview of the front of card 5
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