1) Three units to measure temperature a) Kelvin, Celsius and Fahrenheit b) Kalvin, Celses, and Fahrenheit c) Kelvin, Celsius and Farenheit 2) What is the boiling point of mercury? a) 395°C b) 357°C c) 375°C 3) What is the freezing point of alcohol? a) -90°C b) -120°C c) -100°C 4) Mention the use of a laboratory thermometer. a) To find out if people in the lab have fever b) To measure temperature for scientific research 5) Average body temperature of humans a) 36°C or 78.6°F b) 37°C or 98.6°F c) 57°C or 68.6°F 6) Freezing point of water in Fahrenheit? a) 52°F b) 32°F c) 22°F 7) The temperature where the values of Celsius and Fahrenheit are the same a) -20 b) -30 c) -40 8) Principle used in a thermometer a) Liquid expand when heated and contract when cooled b) Liquid contract when heated and expand when cooled

HEAT AND TEMPERATURE 4

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