Chapter 21 Temperature, Beat, and Expansion Exercises 21.1 Temperature (pages 407-408) 1. Define temperature. 2 Explain how a common liquid thermometer works. Match each number with the corresponding description. Temperature Description 3. -273 a. Water freezes on the Celsius scale. b. Water freezes on the Fahrenheit scale. 5. 32 c. Water boils on the Celsius scale. 6. 100 d. Water boils on the Fahrenheit scale. 7. 232 e. Absolute zero on the Celsius scale. 5. Deime absolute zero. 9. Identify where each temperature scale is primarily used. a Celsius b. Fahrenheit c Kelvin 10. Divisions on the Celsius and Fahrenheit scales are calied but divisions on the Kelvin scale are called 11. For an ideal gas, temperature is. to the average kinetic energy of molecular translational motion. 12. Define translational motion. 3. Is the following sentence true or false? For solids and liquids, temperature is unrelated to the average kinetic energy of molecular translational motion What is the relationship between the temperature of a substance and the rate of motion of its molecules