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level: Temperature & Thermometers

Questions and Answers List

Question	Answer
What is Temperature?	A measure of how hot or cold a substance is
What are the units of temperature?	°C, °F, K
What is the boiling point of pure water?	100°C
What is normal human body temperature?	37°C
What is Room Temperature?	20°C
What is fridge Temperature?	4°C
What is the freezing point of pure water?	0°C
What is freezer temperature?	-18°C
What are the two types of thermometers?	Clinical and laboratory
What liquid does a laboratory thermometer contain?	Alcohol
What liquid does a clinical thermometer contain?	Mercury
What is the minimum and maximum reading on a clinical thermometer?	35 - 42
What is the minimum and maximum reading on a laboratory thermometer?	-10 - 110
What physical change takes place in a thermometer in order to measure temperature?	Liquid expands and rises up the tube when heated. When cooled the liquid contracts and falls down the tube.
What is the main shape of a clinical thermometer thread and why?	Kinked shape. Prevents reading from dropping immediately
What is the main shape of a laboratory thermometer?	Straight
What do you need to do before using a clinical thermometer?	Reset it. Shake the thermometer.