Phase Changes of Matter and Heat Energy Quiz

What is latent heat?

• Heat derived from temperature change

• Heat necessary to change the state of a substance without changing its temperature

• Heat used to increase the temperature of a substance

• Heat released during a chemical reaction

Tags

NGSS.MS-PS1-4

How many calories of heat are needed to raise the temperature of one gram of water by one degree Celsius?

• 10 calories

• 1 calorie

• 100 calories

• 50 calories

What is the process called when a solid changes to a liquid?

• Sublimation

• Deposition

• Melting

• Evaporation

Tags

NGSS.MS-PS1-4

What is the process called when a liquid changes to a gas?

• Condensation

• Freezing

• Evaporation

• Deposition

Tags

NGSS.MS-PS1-4

What is the process called when water vapor (gas) changes to a liquid?

• Melting

• Sublimation

• Evaporation

• Condensation

Tags

NGSS.MS-PS1-4

What is the process called when a liquid is changed to a solid?

• Evaporation

• Condensation

• Freezing

• Sublimation

Tags

NGSS.MS-PS1-4

What is the term for the amount of water vapor in the air?

• Specific humidity

• Absolute humidity

• Relative humidity

• Saturation point

What does saturated air mean?

• Air that cannot hold any more water vapor at a given temperature

• Air that is completely dry

• Air that has low water vapor content

• Air that is at a high temperature

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

What is relative humidity?

• The ratio of the air's water vapor content to the amount of water vapor required for saturation at the same temperature

• The actual amount of water vapor in the air

• The percentage of water vapor in the air compared to the total volume

• The temperature at which air becomes saturated

Tags

NGSS.MS-ESS2-5

According to the diagram, what is the relative humidity at 20°C?

• 100%

• 52%

• 28%

• 75%