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8th Unit 4
Heat & Temperature & Energy Transformations Key Terms
| Term | Definition |
|---|---|
| Chemical Change | A change that involves the rearrangement of atoms to form a new substance |
| Combustibility | Capable of igniting and burning in the presence of oxygen |
| Conduction | When molecules exchange energy directly by contact |
| Convection | The movement of energy in cells that move in a fluid motion within liquids, gasses and plasma |
| Radiation | The transport of energy through space without contact between molecules |
| Law of Conservation of energy | Energy is not created or destroyed but only changes form |
| Energy | The ability to do work |
| Heat flow | Energy travels in the form of heat from a relatively warm location to a relatively cool location. i.e. Cold is the absence of heat |
| Potential energy | Stored energy that can be used to do work |
| Kinetic energy | Energy of movement that is doing work |
| Precipitate | A product of a chemical reaction that in not soluble in a solution |
| Reactivity | The natural tendency of an atom, compound or molecule to interact with another atom, compound or molecule to form a new chemical substance |
| Specific Heat | The amount of heat needed to raise the temperature of one gram of a substance by one degree Celsius |
Created by:
darrin_evans
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