Freshwater
Saltwater
Water Bodies
Earth's Systems
100

97%

What percentage of the Earth's water is saltwater?

100

What is the difference between saltwater and freshwater?

Freshwater has little to no salt, while Saltwater has a lot of salt. 

100

Areas where standing water covers the soil, or area where ground is very wet

What are wetlands?

100

This system includes all of the water on and around the Earth. 

What is the hydrosphere?

200

About 69%

What percentage of freshwater comes from ice caps and glaciers?

200

Does the salt in the ocean evaporate during the water cycle?

No, only the water evaporates. 

200

About 71% or 3/4 of Earth

What percentage of the Earth is covered in water?

200

Includes all of the gases that surround the Earth.

What is the atmosphere?

300

Found on the Earth's surface.

What is surface water?

300

How many oceans are there?

5

300

This body of water is flowing and smaller than a river. 

What is a stream or creek?

300

This system includes all of the living things on Earth. 

What is the biosphere?

400
Includes all the land area that supplies water to a particular river system (Lesson 1)
What is a watershed?
400
Where is most of Earth's saltwater found?
In the ocean. 
400

This body of water is large, surrounded by land, and is still. 

What is a lake?

400

This system includes all of the landforms, sea floor, soil, sand, rocks, etc. on Earth. 

What is the Geosphere?

500

3%

What percentage of the water on Earth is freshwater?

500
The process of taking the salt out of saltwater to make it freshwater. 

What is desalination?

500
Places where water is stored underground
What is an aquifer?
500

What two spheres interact when the plants take in carbon dioxide and release oxygen?

Atmosphere and Biosphere.