Water Cycle

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

• condensation
• evaporation
• sublimation
• transpiration

Evaporation happens when the sun ___________ water and turns it into vapor.

• cools
• heats up
• freezes
• lights up

When water condenses, the water vapor in the air gets ___________ and changes back into liquid.

• cold
• hot
• warm
• solid

Precipitation happens when clouds of water droplets are too ______________.

• cold
• light
• heavy
• hot

Where is most water found on Earth?

• glaciers
• lakes
• rivers
• oceans

What source of energy evaporates the most water from Earth’s surface?

• volcanoes
• the sun
• lightning
• wind

The process by which water moves through the atmosphere and back to Earth’s surface 

• Erosion
• Precipitation
• The Water Cycle
• Condensation

What powers the water cycle?

• water
• oceans
• sun
• moon

What percentage of the earth is covered by oceans?

• 97%

• 75%

• 3%

• 80%

What Percentage of the earth is salt water?

• 71%
• 3%
• <1%
• 97%