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%