Heat Transfer on Earth
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Created by:
squiggles10 on March 4, 2010
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31 terms
Terms | Definitions |
|---|---|
 water cycle | path water takes through its various states, as it moves throughout oceans, streams and the atmosphere |
| evaporation | phase change from liquid to gas |
| condensation | phase change from gas to liquid |
| clouds | visible groups of tiny water droplets and or ice crystals in the atmosphere |
| precipitation | solid or liquid water that fall from the atmosphere and reach earths surface |
| runoff | movement of water along earth's surface |
| infiltration | movement of water INTO earths surface |
| radiation | transfer of thermal energy by waves moving through empty space |
| which heats up faster? a black or white t-shirt? | black |
| a good absorer of energy is also... | a good releaser |
| thermal conductor | material that conducts thermal energy well |
| example of thermal conductor | pots and pans |
| thermal insulator | material that poorly conducts thermal energy |
| example of thermal insulator | air, wooden spoon |
| convection | transfer of thermal energy in gases and liquids by direct contact of particles |
| fluid | gas or liquid |
| as temperature increases, density... | decreases |
| as temperature decreases, density... | increases |
| example of convection | air from a heater warms the room |
| convection current | fluid circulates in a loop as the fluid heats up and cools down |
| sunlight reaching earth | radiation |
| a tea kettle warming on a stove | conduction |
| the water throughout the tea pot warms | convection |
| why does lead heat up faster than liquid water? | lead has a lower specific heat |
| why does liquid water heat up slower than lead? | liquid water has a higher specific heat than lead |
| 3 places where convection is occuring the earth | planetary winds, ocean currents, asthenosphere |
| why did the red dye rise? | the cool water made the dye's density decrease |
| why did the blue dye sink? | the warm water made the dye's density increase |
| which heats up faster? land or water? | land-lower specific heat |
| which cools down faster? land or water? | land-good absorber is a good releaser |
| conduction | transfer of thermal energy in solids by direct contact of particles |
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