Assessment
1. Who introduced the absolute temperature scale?

A. Andres Celsius

B. Gabriel Fahrenheit

C. William Rankine

D. William Thompson

2. Which expands the greatest when heated at the same temperature?

A. gas

B. solid

C. liquid

D. all expand equally
3. A substance releases heat without changing its temperature whenever it is

_______.

A. melting and boiling

B. boiling and condensing

C. melting and condensing

D. freezing and condensing

4. A change in 10K corresponds to _______.

A. -263ºC

B. -263Cº

C. 10Cº

D. 10ºC

5. Why is sand hotter than water at daytime but colder at night?

A. Sand is solid, while water is liquid.

B. Sand and water have equal specific heats.

C. Sand has a lower specific heat than water.

D. Sand has higher specific heat than water.

6. What happens to water when its temperature reaches 4ºC?

A. It becomes denser.

B. It becomes less dense.

C. Its volume will reduce.

D. Its volume will not change.

7. What is the absolute zero temperature?

A. -273ºC

B. -32ºF

C. 0ºC

D. 273K

8. What happens to the temperature if more heat is added to a sample of boiling

water in the stove at 1 atm?

A. decreases

B. increases

C. remains the same

D. increases then decreases

9. Dry ice has a temperature of -110.2ºF. What would its temperature be on the

Celsius scale?

A. -711.0

B. -198.0

C. -142.2

D. -79.00

10.Temperature of a body measures the molecular_______.

A. average kinetic energy

B. average potential energy

C. differences in kinetic energy

D. differences in potential energy

11.Which of the following is TRUE about boiling?

A. It is slower than evaporation.

B. It takes place at a specific temperature.

C. It is the same for all liquids at the same temperature.

D. It takes place when bubbles begin to appear in the liquid.

12.During warm days, you cool yourself by damping your skin with a wet towel.

Which of the following takes place?

A. Wet towel has no effect on your body.

B. Wet towel releases heat energy to your body.

C. Wet towel absorbs heat energy from your body.

D. Wet towel has the same temperature as your body.

13.Which of the following happens when ice changes into liquid at 0ºC?

A. The molecules are not moving.

B. The molecules move slower when ice changes into liquid.

C. The temperature of the liquid is higher than the temperature of the ice.

D. The temperature of the liquid is the same as the temperature of the ice.

14.A decrease in temperature of a substance indicates that the_______.

A. volume of the substance reduces

B. volume of the substance increases

C. particles of the substance get closer with each other

D. particles of the substance move farther from each other

15.Why does liquid in the thermometer rise when put in hot water?

A. The liquid is boiling.

B. The liquid is evaporating.

C. The liquid gains heat from the hot water causing it to expand.

D. The liquid loses heat from the hot water causing it to contract.

PA ASNWER PO PLS​