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Physics
Physics - Semester 2 - Chapter 22 Key Terms
| Term | Definition |
|---|---|
| conduction | in heat, energy transfer from particle to particle within certain materials, or from one material to another when the two are indirect contact |
| conductor | material through which heat can be transferred |
| convection | a means of heat transfer by movement of the heated substance itself, such as by current in a fluid |
| greenhouse effect | the warming effect whose cause is that short-wavelength radiant energy from the sun can enter the atmosphere and be absorbed by Earth more easily than long-wavelength energy from Earth can leave |
| insulator | a material that is a poor conductor of heat and that delays the transfer of heat |
| Newton's law of cooling | the rate of cooling of an object - whether by conduction, convection, or radiation - is approximately proportional to the temperature difference between the object and its surroundings |
| radiant energy | any energy, including heat, light, and X-rays, that is transmitted by radiation. it occur in the form of electromagnetic waves. |
| radiation | energy transmitted by electromagnetic waves |
| terrestrial radiation | radiant energy emitted from Earth |
Created by:
HanBeth07
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