The Water Cycle

Where does the energy that powers the water cycle come from?

• plants
• animals
• the sun
• power plants

What is evaporation?

• water freezes
• water vapor meets cold air and changes into a liquid
• plants take in water from the soil
• water gets warm and changes from liquid to water vapor

What is the correct term for moisture that falls to the ground from clouds?

• condensation
• precipitation 
• evaporation
• transpira

From what water source does most water evaporate?

• Oceans
• Puddles
• Lakes
• Streams

What stage is occurring when water cools and condenses into tiny liquid water droplets?

• Run off
• Cloud forming 
• Condensation
• Evaporation

What are the three repeating processes that cause the water cycle?

• precipitation, transpiration, and water vaporization
• transpiration, hibernation, and run off
• evaporation, condensation, and precipitation 

What is the correct term for plants releasing water vapor into the air?

• Transpiration
• Condensation
• Precipitation
• Troposphere

Oceans hold what percentage of Earth's water?

• 55%
• 70%
• 30%
• 96.5%

Rain, snow, hail, and sleet are all examples of which stage of the water cycle?

• Precipitation
• Condensation
• Run off
• Evaporation

What is another name for the water cycle?

• The Precipitation Cycle
• The Rain Cycle
• The H2O Cycle
• The Hydrologic Cycle