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17 Cards in this Set
- Front
- Back
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When an object is raised to a higher level, its _____________ potential energy increases. |
gravitational |
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The motion of microscopic particles in matter partly determines the amount of __________ within it. |
thermal |
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As a pole-vaulter springs higher into the air, her kinetic energy decreases as her gravitational potential energy increases. This is an example of ___________________. |
energy conversion. |
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Atomic fission and fusion produce ____________. |
nuclear |
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When your muscles move ___________from the cereal you ate fro breakfast is converted into ___________. |
chemical, kinetic |
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The ___________ of 100-kg boulder perched high on a cliff is greater than that of a 50-kg boulder at the same height. |
potential |
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You can recognize ___________ energy by the changes it causes, such as motion and sound. |
energy |
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Formed from the remains of once-living organims, ___________ are nonrenewable energy resources |
fossil fuels |
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Photovoltaic cells convert ________ into electrical energy. |
solar |
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Methods of ______________ include ways to reduce energy needs. |
energy conservation |
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When you sit around a campfire, you are enjoying energy stored in wood-a type of _____________. |
biomass |
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The energy of a moving object is |
kinetic energy |
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If the speed of an object having elastic potential energy is |
quadruples |
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An example of an object having elastic potential energy is |
a stretched spring |
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An example of electromagnetic energy is |
sunlight |
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Energy stored in the bonds between atoms is called |
thermal energy |
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Mechanical energy is |
the sum of the chemical and thermal energy of an object |
