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a measure of the average motion of matter; the faster the movement, __________increases. The slower the motion, __________ decreases.


an instrument that measures temperature


The transfer of thermal energy from a hotter object to a cooler one.


The direct transfer of energy by electromagnetic waves


The direct transfer of heat from one substance to another substance that is touching.


The transfer of heat by the movement of a fluid (liquid or gas).

Convection Current

The upward movement of warm air and the downward movement of cold air in a circular pattern

Greenehouse Effect

The natural heating process of a planet, by which gasses in the atmosphere trap thermal energy

Greenhouse Gas

Any gas that traps heat from escaping int space

Global Warming

A rise in average global temperature

Fossil Fuel

Any fuel creeated by prehistoric life (coal, oil, natural gas)

Carbon Footprint

The amount of carbon dioxide one person, family, or institution releases into the atmosphere through the burning of fossil fuels.

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