cloud formation

The temperature at which water vapor condenses is the 

• relative humidity
• humidity
• freezing point
• dew point

What happens to the Temperature as Air Rises in the Atmosphere

• Increase

• Decrease

• Stays the Same

As the Temperature of the Air Increases on a Warm Day, What Happens to the Density of the Air?

• Increase

• Decrease

• Stays the Same

As the Humidity of the Air Increases on a Warm Day due to Evaporation, What Happens to the Density of the Air?

• Increase

• Decrease

• Stays the Same

What is the process called when a gas becomes a liquid

• evaporation

• condensation

• freezing

• melting

Layer of the Atmosphere where weather and clouds occur

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

As Pressure Increases What Happens To the Molecules

• They move closer together

• They move further apart

• They stay the same

How are air masses form into clouds? Clouds are form when

• cold moist air rises and then cools

• warm moist rises, expands and then cools

• cold air reaches the lifted condensation level

Which of the following is a measure of the force with which molecules in the atmosphere push on a surface?

• air pressure

• temperature

• precipitation

• relative humidity

What is fog?

• invisible water vapor

• a cloud very near the surface of Earth

• visible water vapor that forms at very high temperatures

• a high altitude type of cloud