ES09-02

How do clouds RELEASE water?

• precipitation

• evaporation

• transpiration

• condensation

What is transpiration?

• water vapor from animals

• water vapor from clouds

• water vapor from oceans

• water vapor from plants

Where would we find most of Earth's water?

• ocean

• icecaps and glaciers

• groundwater

• air

A humidifier collects water vapor from the air and turns it into a liquid.  What is this an example of?

• precipitation

• condensation

• evaporation

• transpiration

Why is groundwater part of the water cycle?

• it collects precipitation

• it is above the ground

• it does not condense

• it gets heated and precipitates

Rain that falls on a mountainroad during a strom will first be...

• groundwater

• a spring

• the ocean

• runoff

What percent of Earth's water is fresh?

• 99%

• 1%

• 3%

• 75%

The total amount of water on Earth is

• increasing

• decreasing

• staying the same

Where is most of Earth's fresh water?

• lakes

• rivers

• ocean

• ice caps and glaciers

What percent of Earth's water is salt water?

• 85%

• 1%

• 75%

• 97%