Water Facts
What percent of Earth’s water is saltwater?
97%
What body of water holds most of Earth’s saltwater?
Oceans
What is it called when water changes from liquid to gas?
Evaporation
Is ocean water fresh or saltwater?
Saltwater
Why do humans need water?
To survive
What percent of Earth’s water is freshwater?
3%
Where is most freshwater stored on Earth?
Glaciers and ice caps
What is it called when water falls from clouds?
Precipitation
Are rivers freshwater or saltwater?
Freshwater
Name one living thing that needs water.
Plants, animals, or humans
About how much freshwater is usable for drinking and life?
1%
Where is most usable freshwater found?
Rivers, lakes, and groundwater
What forms when water vapor cools in the air?
Clouds
Why is saltwater not safe to drink?
It can make you dehydrated
Why is freshwater important for plants?
It helps them grow.
Why can’t humans drink most of Earth’s water?
It is saltwater or frozen
What is groundwater?
Water stored underground in soil and rock
What is condensation?
When water vapor turns into liquid
Name one place you can find freshwater.
Rivers, lakes, glaciers, or groundwater
What could happen if freshwater is wasted?
There may not be enough for living things
What is the name for all the water on Earth?
The hydrosphere
Which has more usable freshwater: oceans or lakes?
Lakes
Which two water cycle steps move water from the ocean to land?
Evaporation and precipitation
What kind of water do humans need to survive?
Freshwater
Name one way people can protect freshwater.
Save water, don’t pollute, recycle, or turn off faucets