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true or false The faster the molecules of a gas are moving the more energy they have. |
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The total energy of motion in the molecules of a substance is called.. |
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The average amount of energy of each molecule of a substance is called |
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true or false: Temperature is a measure of how hot or cold a substance is. |
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Air temperature is usally measured with a... |
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How does a thermometer work? |
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A thermometer works because liquids expand when they are heated and contract when they are cold. |
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The freezing point for celcius____ farenheit____ the boiling point c____ f____ |
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freezing point c 0 f 32 boiling point c 100 f 212 |
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the energy transfered from a hotter object to a cooler object is..... |
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heat can be transfered by |
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1.radiation 2.conduction 3.convection |
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true or false Radiation is the direct transfer of heat by electromagnetic waves(ultraviolet radiation) |
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The direct transfer of heat from one substance to another that is touching is called ______________. |
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Conduction (2 substances that are in contact) |
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Conduction works well in some ________ though very well in __________. |
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The transfer of heat by the movement of a fluid is called |
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Feeling the sun's warmth on your face is |
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Drying your boots over a hot air vent is __________ |
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Burning your bare feet on hot sand is |
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__________ air is more dense than __________ air; therefore, ______ air rises and _________ sinks. |
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Cold = more dense than warm Warm air rises, cold air sinks |
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most of the heating in the troposphere is caused by |
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The upward movement of warm air and downward movement of cold air is |
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