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JCMS 7th Energy
JCMS Energy vocabulary
| Question | Answer |
|---|---|
| chemical energy | Potential energy stored in the chemical bonds that hold the compounds of a substance together. |
| energy | The ability to cause change or do work, such as moving an object some distance. |
| elastic potential energy | Potential energy in objects that are stretched or compressed. |
| gravitational potential energy | Potential energy due to an object’s position or height above the Earth’s surface. |
| kinetic energy | Energy of motion. |
| potential energy | Energy that is stored waiting to be released, due to an objects position or composition. |
| Pulley | A simple machine consisting of a grooved wheel with a rope, chain or cable wrapped around it. |
| Resistance | A force that opposes motion. (load) |
| Simple machine | A device that makes effort seem easier by changing the amount, the direction, or the distance over which the force is exerted. |
| Wedge | A simple machine consisting of a device that is thick at one end and tapers to a thin edge at the other edge. |
| Wheel and axle | A simple machine in which a circular object (wheel) rotates around a central axis (axle). |
| Work | Force used to move an object. |
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