Water on Earth
What percentage of Earth’s surface is covered by water?
70%
Is most of Earth's water saltwater or fresh water?
Saltwater
What process turns liquid into water vapor?
Evaporation
What is water quality?
How safe or harmful the water is
To use water wisely or to save water
All of Earth's liquid and solid water make up the
Hydrosphere
Name one source of freshwater
Rivers, lakes, glaciers, groundwater
What process forms clouds?
Condensation
Name one way water can be polluted
Name one way to conserve water at home
Turn off the water while brushing your teeth or taking shorter showers
What is groundwater
Wate that is found under the soil or rock
Where is most of Earth's freshwater stored?
Glaciers and ice caps
What is precipitation?
Wate falling from the atmosphere in the form of rain, sleet, snow, hail.
Why is polluted water harmful?
It can make people and animals sick
Why should we conserve freshwater?
It is a limited resource
What are large bodies of water that contain saltwater
Oceans
They need it to survive
All water is recycled through..
The water cycle
What is one way scientists test water quality
Testing the pH
How can pollution affect water conservation?
The polluted water cannot be used
Why is most of the water on Earth not safe for humans to drink?
Because it is saltwater
Why is freshwater considered a limited resource?
There is only a small amount available for use
Why is the water cycle important?
It recycles and moves water around the Earth
Why is clean drinking water important for communities?
It keep the people safe and prevents sickness
How does conserving water protect the environment?
It protects ecosystems and saves water resources