Temperature and Thermometers
Physics ⇒ Heat and Thermodynamics
Temperature and Thermometers starts at 7 and continues till grade 12.
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See sample questions for grade 9
Describe how a digital thermometer works.
Describe the main difference between a laboratory thermometer and a clinical thermometer.
Explain why a clinical thermometer has a constriction in its capillary tube.
Explain why alcohol is sometimes used instead of mercury in thermometers.
Explain why thermometers should not be placed in direct sunlight when measuring air temperature.
A digital thermometer shows a reading of 39.5°C. Is this above normal human body temperature? (Normal is about 37°C)
A thermometer is placed in boiling water and reads 100°C. What will it read in Kelvin?
A laboratory thermometer is used to measure the temperature of a solution. The thermometer reads 45°C. If the thermometer is accidentally placed in a freezer at -20°C, what is the total temperature change experienced by the thermometer?
Which of the following is a correct statement about thermometers?
(1) All thermometers use mercury
(2) Thermometers measure the amount of heat in a body
(3) Thermometers measure temperature
(4) Thermometers can only measure temperatures above 0°C
Which of the following is a disadvantage of using mercury thermometers?
(1) Mercury is expensive
(2) Mercury is toxic
(3) Mercury evaporates quickly
(4) Mercury is not visible
Which of the following is NOT a characteristic of a good thermometer?
(1) Quick response to temperature changes
(2) Large and clear scale
(3) Made of opaque material
(4) Uniform expansion of the liquid
Which of the following is NOT a unit of temperature?
(1) Kelvin
(2) Celsius
(3) Fahrenheit
(4) Joule
A clinical thermometer usually measures temperatures in the range of _________.
Fill in the blank: The boiling point of water on the Fahrenheit scale is _________.
Fill in the blank: The lowest possible temperature is called _________.
Fill in the blank: The normal human body temperature is about ________ °C.
A digital thermometer shows a reading of 39.5°C. Is this above normal human body temperature? (Normal is about 37°C)
True or False: Mercury thermometers are safe to use if broken.
True or False: Temperature and heat are the same physical quantity.
True or False: The Celsius and Kelvin scales have the same size degree.
