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19 Cards in this Set
- Front
- Back
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Opposite charges
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attract each other
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Like charges
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repel each other.
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Energy is
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needed to do work
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Energy is also
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needed to make matter change
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Kinetic energy
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has energy because it is moving.
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A rolling ball, and a swinging hammer are exaples of
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kinetic energy
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Potential energy
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is stored or waiting to be used
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a rock on top of a hill is an example of
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potential energy
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Work is
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done when a force is used to move an object a certain distance
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Energy comes
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in many forms
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Energy can be
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transformed from one to the other
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Electrical energy
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is related to the movement of charged particles
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Other forms of energy are
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chemical, light, mechanical, thermal, nuclear, and sound
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matter is made up of
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atoms
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Negative charges
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are a minus (-) sign
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Positive charges
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are a plus (+) sign
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Static electricity
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is the buildup of electrical charges on a material
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insulator
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a material through which heat or electricity does not flow easily
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conductor
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a material through whick heat or electricity does flow easily
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