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m&m 5.2

Expansion and Heat Transfer

QuestionAnswer
Thermostat A device that automatically regulates temperature, has bimetallic strip that responds to temperature changes, first created by Cornelius Drebbel
Conduction The transfer of heat through materials
Radiation The transfer of heat (or energy) through space in the form of electromagnetic waves, may pass through an object without heating it
Convection The transfer of heat through circulating currents
Sir Humphry Davy English scientist who created miner's safety lamp in 1815
Convection currents The currents within the liquid caused by heated fluid rising and cooler fluid sinking
Greenhouse effect When the suns rays travel through glass or clear plastic to increase heat, trapping radiant heat
Radiator A device which radiates heat
expansion joint gaps in the road of bridges which allow them to expand in warm weather and contract in cold weather
maximum density of water 4 degrees celsius, no more contraction possible
dewar flask Sir James Dewar invented this vacuum bottle which became our thermos. eliminates heat loss by convection
hot-water heating warm a room by convection currents, use a radiator
forced-air heating warm a room with a burner, fan and ducts
Created by: Jer Stephens
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