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Heat Terms

AB
1. Temperaturea measure of the average energy of the particles that make up a substance.
2. Thermal energythe total energy of all the particles of a substance.
3. Heatenergy transferred from a hotter substance to a cooler one.
4. Conduction of heattransfer of energy through a material by direct collision of particles.
5. Conductora material that allows heat to transfer through it readily.
6. Thermal conductivitythe measure of the ability of a material to conduct heat.
7. Convection currentthe circulating path of a fluid caused by the application of heat.
8. Fluidanything that flows; gases or liquids.
9. Convectionthe process of transferring heat by the circulating motion of particles.
10. Thermalsthe rising part of a convection current in the atmosphere.
11. Radiationthe transfer of energy in a wave-like form.
12. Heat wavesinfrared radiation.
13. Heat raysalso heat waves; infrared radiation.
14. Infrared radiationa type of radiant energy; also called heat waves or heat rays.
15. Reflectedto bounce off of something.
16. Absorbedtaken in by a material.
17. Transmittedpassed from one material to another.
18. Heat insulatora material that is used to reduce the amount of heat transfer.
19. Insulationthe prevention of a large amount of heat transfer.
20. RSI valuethe resistance to heat transfer of a material of a specific thickness.
21. Greenhouse effecta warming of the temperature of the air, caused by the trapping of heat as in a greenhouse, where heat is trapped inside a glass structure; this effect also occurs in the Earth's atmosphere, where carbon dioxide molecules trap heat.
22. Joulethe SI unit for energy; the symbol is J.
23. Specific Heat capacitythe amount of heat transferred (absorbed or emitted) when the temperature of 1.0kg of a substance changes by 1.0 degrees Celsius
24. Law of Conservation of Energyenergy is never created or destroyed by ordinary means.
25. Principle of Heat transferin a perfectly insulated system, when tow substances at different temperatures are mixed, the heat released by the hotter substance equals the heat gained by the colder substance.
26. Non-renewable resourcesresources that are in limited supply; oil, coal.
27. Renewable resourcesresources that can be replaced; wood.
28. Solar energyradiant energy that reaches the Earth from the Sun.
29. Passive solar heatingthe use of solar energy to heat structures directly
30. Active solar heatingthe use of solar energy to heat structures indirectly; for example, using a material to absorb heat and then later use it.

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