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Vocab cards
| Question | Answer |
|---|---|
| Energy transformation | Energy transformations are processes that convert energy from one type (e.g., kinetic, gravitational potential, chemical energy) into another. |
| Law of conservation of energy | The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another. |
| Efficiency | the ability to achieve an end goal with little to no waste, effort, or energy |
| Kinetic theory of matter | all matter is composed of small particles which have space between them and are in random motion |
| Temperature | degree of hotness or coldness measured by a thermometer with a numerical scale |
| Degree | the amount, level, or extent to which something happens or is present. |
| Thermometer | an instrument that measures temperature. |
| Thermal energy | the energy contained within a system that is responsible for its temperature |
| Heat | energy that is transferred from one body to another as the result of a difference in temperature |
| Calorie | a unit of energy or heat |
| Conduction | when heat moves from one object to another object through direct touch |
| Conductor | a material or object that permits an electric current to flow easily |
| Insulator | A material or an object that does not easily allow heat, electricity, light, or sound to pass through it |
| Convection | a way in which heat travels |
| Radiation | energy that comes from a source and travels through space at the speed of light. |
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