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| Energy can be defined as ... |
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Definition
...the ability to do work (remeber that work = force X distance) so energy is transferred by a force through a distance. |
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| What units are used to measure energy? |
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| what 2 factors does the kinetic energy of an object depend on? |
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Definition
1. the objects mass 2. the objects speed |
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Definition
| energy that is stored as a result of an objects position or shape. |
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| gravitational potential energy |
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| potential energy that depends on an objects height |
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| the potential energy of an object due to its shape |
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| Name the 6 different forms of energy |
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1. mechanical energy 2. thermal energy 3. chemical energy 4. electrical energy 5. electromagnetic energy 6. nuclear energy |
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| energy due to the motion and position of everyday objects |
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| the potential and kinetic energy of all the microscopic particles in an object |
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| energy stored in chemical bonds |
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| energy associated with electrical charges |
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| a form of energy that travels through space in the form of waves |
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| energy stored in atomic nuclei |
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| What is the law of conservation of energy? |
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Definition
| energy can't be created or destroyed |
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| what is energy conversion? |
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Definition
| the process of energy changing from one form to another. |
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| define nonrenewable energy resources |
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Definition
| exist in limited quantities and once used can't be replaced for millions of years |
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| give examples of nonrenewable energy resources |
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Definition
| oil, natural gas, coal, uranium |
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| define renewable energy resources |
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Definition
| resources that can be replaced in a relatively short period of time. |
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| give examples of renewable energy resources |
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Definition
| hydroelectric, solar, geothermal, wind, biomass |
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| energy stored in living things. Can be converted directly to thermal energy. |
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| define energy conservation |
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Definition
| finding ways to use less energy or to use energy more efficiently |
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