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26 Cards in this Set
- Front
- Back
energy |
the ability to do work |
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force |
a push or a pull |
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pitch |
how high or low a sound is |
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sound |
a form of energy that comes from objects that vibrate |
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temperature |
a measure of how hot or cold something is |
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thermometer |
a tool that is used to measure temperature |
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vibrate |
to move back and forth quickly |
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volume |
how loud or soft a sound is |
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work |
what is done when a force changes an object's motion |
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absorption |
to take in |
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circuit |
the path that is made of parts that work together to allow current to flow |
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conductor |
a material which heat or electric current moves through easily
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electricity |
an electrical current |
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gears |
a simple machine with teeth that increases the force needed to push or pull something |
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heat |
the flow of energy from a warmer object to a cooler object |
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inclined plane |
a simple machine with a flat slanted surface that is raised at one end; also known as a ramp |
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insulator |
a material that heat or electrical current does not move through easily |
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lever |
a simple machine that consists of a straight bar that moves on a fixed point, or fulcrum |
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physical property |
a characteristic of matter that you can observe
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pulley |
a simple machine that uses a rope and wheel to move an object |
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simple machines |
a machine with few or no moving parts |
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switch
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a device that allows you to control the flow of electric current through a circuit
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tension |
a force that stretches something |
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thermal energy |
the energy of moving particles of matter |
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wedge |
a simple machine that uses force to split objects apart |
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wheel and axle |
a simple machine that consists of a wheel that moves around a post; the post is called an axle |