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Transcript
Roots Week 4 therm = heat, temperature endothermic (adjective) heated from within the body “Warm blooded,” or endothermic animals maintain their own body temperatures from within. exothermic (adjective) requires heat to be absorbed from outside of the body “Cold-blooded” animals, such as lizards and snakes, are exothermic as they rely on the sun to warm up. therm (noun) A unit of heat equal to 1,000 great calories Two units of therms would be equal to 2,000 calories when measuring heat. thermal (adjective) Related to heat or temperature Thermal underwear is often worn by hunters to keep them warm during their winter hunting expeditions. thermodynamic (adj) Caused or operated by heat that has changed into different forms of energy Solar energy is thermodynamic because the sun’s heat helps create energy, which is then turned into electricity. thermograph (noun) A device that automatically writes down (records) changes in temperature Scientists track and record temperature changes around the world with the use of a thermograph. thermometer (noun) An instrument that measures temperature or heat The thermometer showed that poor Victor was running a fever of 103 degrees. thermophile (noun) An organism that has adapted to living in very high temperatures (heat), such as bacteria or algae Thermophiles are organisms that survive in hot, humid places such as this image of bacteria. http://www.nps.gov/yell/slidefile/thermalfeatures/thermophiles/page.htm thermos (noun) A container that is used to keep things warm, such as your soup; a doublewalled container that keeps things warm Vince uses a thermos to keep his hot chocolate warm when he goes sledding. thermostat (noun) A device used to control the temperature The students begged Mrs. Ifflander to turn up the thermostat to warm up her classroom!