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 8
Describe how to use a laboratory thermometer to measure the temperature of a liquid.
Explain why alcohol is sometimes used instead of mercury in thermometers.
Explain why it is important to shake a clinical thermometer before use.
Explain why thermometers should be read at eye level.
A digital thermometer shows a reading of 39.5°C. Is this a normal body temperature?
A thermometer is placed in ice water and reads 0°C. What will it read if placed in boiling water at standard pressure?
A laboratory thermometer is used to measure the temperature of a solution. The thermometer reads 77°C. What is this temperature in Fahrenheit? (Round your answer to the nearest whole number.)
A scientist needs to measure the temperature of a chemical reaction that occurs at -80°C. Which type of thermometer would be most suitable for this purpose?
(1) Clinical thermometer
(2) Alcohol thermometer
(3) Mercury thermometer
(4) Digital thermometer
Which of the following is a correct conversion formula?
(1) K = °C + 273
(2) °C = K + 273
(3) K = °C - 273
(4) °C = K - 273
Which of the following is a disadvantage of using mercury in thermometers?
(1) Mercury is expensive
(2) Mercury is toxic
(3) Mercury is not visible
(4) Mercury freezes at high temperatures
Which of the following is NOT a feature of a clinical thermometer?
(1) Narrow constriction
(2) Wide temperature range
(3) Mercury column
(4) Glass tube
Which of the following is NOT a reason for using glass in thermometers?
(1) Glass is transparent
(2) Glass is a good conductor of heat
(3) Glass does not react with mercury
(4) Glass can be easily shaped
A clinical thermometer usually measures temperatures from _________ to _________.
Fill in the blank: The boiling point of water on the Kelvin scale is ________ K.
Fill in the blank: The normal human body temperature is about _________ °C.
Fill in the blank: The temperature at which a liquid changes to a gas is called its ________ point.
A digital thermometer shows a reading of 39.5°C. Is this a normal body temperature?
True or False: Digital thermometers use mercury to measure temperature.
True or False: The boiling point of water is the same on all temperature scales.
True or False: The Celsius and Kelvin scales have the same size degree.
