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6th Grade Ch 14
| Question | Answer |
|---|---|
| Thermal energy | energy that is associated with the motion of the particles of a substance. |
| Heat energy is the transfer of _______ energy | thermal |
| As heat energy is added to a substance, the _______ goes up indicating that the particles are moving faster. | temperature |
| The ________ particles in a substance move, the higher the temperature. | faster |
| Burning items, the Sun, and electricity are sources of ____ energy | heat |
| Solar energy | the energy from the Sun, which provides heat and light energy for Earth. |
| Solar cells | used to convert solar energy to electrical energy. |
| Green plants use solar energy during photosynthesis to produce sugar, which contains stored _________ energy. | chemical |
| Most of the energy that we use on Earth originally came from the ____. | Sun |
| Chemical energy | the energy stored in particles of matter. |
| __________ energy can be released, for example in batteries or sugar/food, when these particles react to form new substances. | Chemical |
| Batteries and food are examples of _______ energy. | Chemical |
| Electrical energy | the energy flowing in an electric circuit. |
| Stored chemical energy in batteries; solar energy in solar cells; fuels or hydroelectric energy in generators are all sources of _______ energy. | electrical |
| Mechanical energy | the energy due to the motion and position of an object. |
| When objects are set in motion or are in a position where they can be set in motion, they have _______ energy. | mechanical |
| Mechanical potential energy is related to the __________ of an object. | position |
| Potential energy | energy stored in an object due to its position. |
| Examples of ________ __________ energy include a stretched rubber band and water behind a dam. | mechanical potential |
| Mechanical kinetic energy ___________ as an object moves faster. | increases |
| Kinetic energy | the energy an object has due to its motion. |
| Kinetic energy increases with ________ and _______. | speed and mass |
| Law of Conservation of Energy | states that energy cannot be created or destroyed. |
| Energy can be ______________ from one form into another, but the total amount of energy never changes. | transformed |
Created by:
Ms. Phillips
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