Test Review

The phase change from water vapor to liquid water is known as

• evaporation
• precipitation
• condensation
• sublimation

Why is the ozone layer vital to life on Earth?

• Planes fly in the ozone layer

• It is made up of oxygen (O₂)

• It shields the Earth from ultraviolet (UV) rays from the sun

• It causes clouds to be created

The process when plants release water vapor from their leaves is called _____________.

• precipitation

• evaporation

• transpiration

• condensation

When water vapor is cooled and forms droplets of liquid water

• Condensation

• Evaporation

• Transpiration

• Runoff

What step of the water cycle does this picture show?

• Condensation

• Runoff

• Precipitation

• Evaporation

Temperature is measured in...

• degrees
• inches
• centimeters
• feet

What is it called when plants give off water vapor as a waste product?

• condensation
• evaporation
• sublimation
• transpiration

"Heap" or "pile" is the Latin meaning for which type of cloud?

• Cumulus

• Cirrus

• Stratus

• Cumulonimbus

Clouds form with 

• atmospheric dust, low pressure, and moist air
• high pressure, high temperatures, and condensation nuclei
• low temperatures, zero dust particles, and dry air
• dry air, condensation nuclei, and low pressure 

This layer is the hottest layer of the atmosphere?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere