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Grade 5 F-3 Sci. Def
Chapter 3 Forms of Energy
| Term | Definition |
|---|---|
| energy | The ability to cause changes in matter |
| kinetic energy | The energy of motion |
| potential energy | The energy an object has because of its place or its condition |
| electric charge | The charge obtained by an object when it gains or loses electrons |
| electric force | The attraction or repulsion of objects due to their charges |
| electric current | The flow of electrons from negatively charged objects to positively charged objects |
| conductor | A material that conducts electrons easily |
| electric circuit | The path along which electrons can flow |
| insulator | A material that does not carry electrons |
| resistor | A material that resists the flow of electrons in some way |
| electromagnet | A temporary magnet made by passing electric current through a wire coiled around an iron bar |
| reflection | The light energy that bounces off objects |
| refraction | The bending of light rays when they pass through a substance |
| lens | A piece of clear material that bends |
| pitch | An element of sound determined by the speed which sound waves move |
| volume (sound) | The loudness of a sound |
| temperature | The average kinetic energy of all the molecules in an object |
| heat | The transfer of thermal energy form one substance to another |
| conduction | The direct transfer of heat between objects that touch |
| convection | The transfer of heat as a result of the mixing of a liquid or a gas |
| radiation | The transfer of thermal energy by electromagnetic waves |
Created by:
scscolts
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