Energy Flashcards

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1
Q

Law of Conservation of Energy

A

a law that states that energy cannot be made or lost. However, energy can be transformed from one type to another or transferred from one object to another.

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2
Q

electrical energy

A

the energy made available by the flow of electric charge through a conductor

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3
Q

gravitational potential energy

A

energy stored due to the height of an object above a base level

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4
Q

chemical energy

A

potential energy derived from chemical reactions

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5
Q

elastic potential energy

A

the potential energy stored in a stretched elastic material

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6
Q

nuclear energy

A

the energy stored at the center of atoms, the tiny particles that make up all substances. Nuclear energy can be released from the radioactive metals uranium or plutonium, and transformed into electrical energy in a nuclear power station.

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7
Q

efficiency

A

the fraction of energy supplied to a device as useful energy. It is usually expressed as a percentage.

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8
Q

Deciduous

A

describes plants that lose their leaves during autumn and winter

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