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| When a force causes an object to move in the same direction as the force. |
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| Both basic states of energy, kinetic and potential, can exist in many forms. |
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| The total KINETIC energy of the particles in matter. (molecular motion) |
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A type of mechanical energy. It is the energy produced when objects VIBRATE.
Ex: tuning fork, bell |
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Energy with which MOVING objects perform work.
Ex: Wind, flowing water, using a hammer |
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| A form of energy produced by the MOVEMENT of ELECTRONS |
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Energy STORED in chemical BONDS that can be released.
Ex: food, fossil fuels, battery acid |
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Stored energy due to a change in the shape of an object.
Ex: A stretched rubber band |
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A form of RADIANT energy that moves in a WAVE.
Ex: lamp, stars |
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| All forms of energy that come from the SUN |
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Energy STORED in the NUCLEUS (center) of an atom.
Ex: nuclear bombs |
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Heat energy STORED within the EARTH.
Ex: Volcanic eruptions, geysers |
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| What are the two basic states of ENERGY? |
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Definition
| All forms of energy can be classified as KINETIC OR POTENTIAL |
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| 1) is stored energy due to and object's POSITION |
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| 2)An object that is lifted from its position on Earth has GRAVITATIONAL potential Energy which depends on HEIGHT AND MASS. |
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| 3) Massive objects have MORE potential energy than less massive objects |
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| 4). An object at a higher elevation will have MORE potential energy than an object at a lower elevation |
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| 2) Kinetic depends on the MASS and the SPEED of an object |
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| Faster objects have MORE kinetic energy than slower objects |
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| Law of Conservation of ENERGY: (same for mass) |
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Mass/NRG: Can't be made
Mass/NRG: Can't be destroyed
Mass/Energy can only CHANGE FORM! |
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| What happens during ENERGY CHANGES? |
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1). If one body is losing energy,
the other is gaining energy |
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| What happens during ENERGY CHANGES? |
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| 2). The total energy remains the SAME |
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| What happens during ENERGY CHANGES? |
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| 3). Energy always flows from High to Low |
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| When will the exchange of Energy Stop? |
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| When equilibrium is reached |
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| Very often during the energy transformation process, some HEAT energy is produced due to friction. This is wasted energy and is lost to the environment. |
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