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Gappa: Energy Test
Gappa: Energy Test Review
| Question | Answer |
|---|---|
| energy | ability to cause change in matter |
| electromagnet | Iron bar with a coil wrapped around it that becomes a magnet when electric current flows through it |
| potential energy | energy an object has because of its location or its condition |
| kinetic energy | energy of motion |
| electric circuit | path along which electrons flow |
| resistor | material that slows down the flow of electrons |
| insulator | material that doesn’t carry electrons |
| conductor | material that allows electrons to travel easily |
| series | circuit with only one possible path |
| parallel | circuit with more than one possible path |
| temperature | average kinetic energy of all the molecules in an object |
| heat | transfer of thermal energy from one substance to another |
| conductor | direct transfer of heat between object that touch |
| convection | heat transfer as a result of the mixing of a liquid or a gas |
| radiation | transfer of thermal energy through empty space |
| thermal energy | kinetic enregy of molecules |
| object with a hotter temperature | molecules move faster and are farther apart |
| object with a cooler temperature | molecules move slower and are closer together |
| law of conservation of energy | energy can be changed, but it cannot be created or destroyed |
| series circuit results | all lights go out when one is removed |
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