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total energy due to moving particles that make up matter |
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the transfer of heat energy by one thing touching another |
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heating pad, spoon that gets hot while cooking |
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the transfer of thermal energy between matter of different temperatures |
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a material that readily allows heat to pass through it |
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a material that limits the amount of heat that passes through it |
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a measure of the average amount of motion of the particles in matter |
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the energy that is sent out in little bundles; it can move through matter or empty space |
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heat and light from the sun; heat and light from a fireplace; heat and light from a light bulb |
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the ability to cause change or do work |
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a tool that measures how hot something is |
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How does heat affect the particles in an object? |
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The more heat, the more the particles move. |
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How does a thermometer work? |
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Since the particles in substances move more when more heat is present, the alcohol expands when it touches something hot and rises up the tube, and since the particles in substances move less when less heat is present, the alcohol contracts when it touches something cold and takes up less space in the tube. |
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How does a radiator work? |
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Water is heated by the furnace and is pumped through the radiator where it is heats the metal and is returned to the furnace. |
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How does a radiator heat the air in the room? |
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The hot metal heats the air which rises and spreads. The warm air eventually cools and sinks, creating a convection current of the air in the room. |
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How is a conductor different from an insulator? |
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A conductor is a material that readily allows heat to pass through it, but an insulator is a material that limits the amount of heat that passes through it. |
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a metal spoon, a copper penny, an iron bar |
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a wooden spoon, a foam cup, a marble countertop |
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What is the boiling point of water on the Fahrenheit scale? |
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What is the boiling point of water on the Celsius scale? |
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What is the freezing point of water on the Fahrenheit scale? |
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What is the freezing point of water on the Celsius scale? |
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What is normal human body temperature on the Fahrenheit scale? |
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What is normal human body temperature on the Celsius scale? |
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What is average room temperature on the Fahrenheit scale? |
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What is average room temperature on the Celsius scale? |
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how a radiator heats a room |
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