The Water Cycle

Where is most water found on Earth?

• glaciers
• lakes
• rivers
• oceans

About how much of Earth’s water is fresh water? 

• 3%
• 10%
• 25%
• 70%

What is water doing when it is changed to water vapor?

• evaporating
• condensing
• transpiring
• freezing

What is water vapor doing when it changes to water?

• evaporating
• condensing
• precipitating
• freezing

On which kind of day would you expect the most evaporation from the surface of a  pond?

• sunny and hot
• sunny and cold
• rainy and hot
• rainy and cold

What is the source of energy that makes the water cycle work?

• electricity
• the sun
• wind
• thunder

Phase changes such as evaporation and condensation are most directly related to  ________________

• wind speed
• humidity
• temperature
• air pressure

Snow, sleet, hail, and rain are all examples of  ________________. 

• evaporation
• condensation
• accumulation
• precipitation

Which phase of the water cycle includes water collecting in rivers, lakes, underground, and oceans? 

• evaporation
• condensation
• precipitation
• accumulation

What word belongs in box B?

• precipitation
• evaporation
• melt
• freeze