9.5 Measuring Temperature
Converting Fahrenheit to Celsius and back, and recognizing which readings on each scale mean freezing weather, a fever, or boiling water.
9 exercises
9.5 Exercise 1
A recipe calls for the oven to be set to 392 °F. What is the temperature in Celsius?
9.5 Exercise 3
On a sunny afternoon in May, the temperature in London was 20 °C. What was the temperature in degrees Fahrenheit?
9.5 Exercise 5
A manufacturer requires a vaccine to be stored in a refrigerator at temperatures between 36 °F and 46 °F. The refrigerator in the local pharmacy cools to 3 °C. Can the vaccine be stored safely in the pharmacy’s refrigerator?
9.5 Exercise 7
Which is the more reasonable value for the temperature of a freezer?
- 5 °C or
- –5 °C?
9.5 Exercise 9
The average body temperature is generally accepted as 98.6 °F. What is a reasonable value for the average body temperature in degrees Celsius:
- 98.6 °C,
- 64.3 °C, or
- 34.3 °C?
9.5 Exercise 11
Which is a reasonable temperature for storing chocolate:
- 28 °C,
- 18 °C, or
- 2 °C?
9.5 Exercise 13
The temperature in the refrigerator is 4 °C. The temperature in the freezer is 21 °C lower. What is the temperature in the freezer?
9.5 Exercise 15
A scientist was using a liquid that was 35 °C. They needed to heat the liquid to raise the temperature by 6 °C. What was the temperature after the scientist heated it?
9.5 Exercise 17
The optimum temperature for a chemical compound to develop its unique properties is 392 °F. When the heating process begins, the temperature of the compound is 20 °C. For safety purposes the compound can only be heated 9 °C every 15 minutes. How long until the compound reaches its optimum temperature?
Adapted from Contemporary Mathematics © 2023 Rice University. Licensed under CC BY 4.0. Source: Contemporary Mathematics. Imported at revision fa7c1a1.