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
A laboratory thermometer has a range from -10°C to 110°C. What is the total range of this thermometer?
A substance has a temperature of 310 K. What is this temperature in Celsius?
A thermometer is placed in boiling water and reads 100°C. What will it read in Kelvin?
A thermometer reads 98.6°F. What is this temperature in Celsius? (Use the formula: °C = (°F - 32) × 5/9)
Convert 25°C to Kelvin.
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.
What is temperature a measure of?
What is the SI unit of temperature?
What is the value of absolute zero on the Celsius scale?
Why is it important for a thermometer to have a uniform bore?
Why is it important to shake down a clinical thermometer before use?
A bimetallic strip thermometer uses two metals with different rates of expansion. Explain how this property allows the thermometer to measure temperature changes accurately.
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?
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 and why?
A thermometer shows a reading of 212°F. What is the temperature in Kelvin? (Use the formulas: °C = (°F - 32) × 5/9 and K = °C + 273.15)
Describe the process of calibrating a thermometer and explain why it is important for accurate temperature measurement.
