ES Ch. 10 ***What Do You Know About Water?

All living things need ________________ in order to carry out their body processes.

• water
• to eat food
• carbon dioxide

About 97% of Earth's surface water found in the oceans is

• fresh water.
• salt water.
• groundwater.

Approximately what percentage of Earth's water is fresh water?

• 97%
• 3%
• 100%

When water moves between land, living things, bodies of water on Earth's surface, and the atmosphere, this is describing

• the rock cycle.
• the moving cycle.
• the water cycle.

Water that falls to Earth as rain, snow, sleet, or hail is called

• precipitation.

• evaporation.

• condensation.

A river and all the streams and smaller rivers that flow into it together make up a

• tributary.
• watershed.
• river system.

Water collects in hollows and low-lying areas of land to form a

• river.
• pond or lake.
• stream.

Natural processes and human activities can cause lakes to disappear.

• True
• False

Water that fills the cracks and spaces in underground soil and in rock layers is called

• groundwater

• mud water

• runoff

People can obtain groundwater from a(n) _______________ by drilling a well below the water table.

• aquifer

• saturated zone

• impermeable layer