Earth's Water

Water covers what percent of the earth?

• 97%
• 70%
• 3%
• 50%

The hydrosphere is made up of all the water found on, above, and under Earth's surface.
True or False?

• True
• False

97% of Earth's water is? 

• salt and freshwater
• brackish 
• salt 
• freshwater

The remaining __ percent is freshwater.
What is the percent of freshwater?

• 6%
• 4%
• 5%
• 3%

What percent of freshwater is groundwater?

• 30%
• 60%
• 90%
• 10%

Nearly one-third(1/3) of Earth's freshwater is ___? 

• permafrost
• icebergs 
• groundwater
• lakes, rivers, atmosphere

An aquifer is?

• an area of land that drains into a stream, river, lake, or other bodies of water.
• a layer of sediment that gives water.
• a rock layer that stores water.

Which of these contain most of Earth's water?

• oceans
• rivers
• lakes
• glaciers

Where is most of the freshwater on Earth located?

• in the oceans
• in polar ice and glaciers
• in rivers, streams, and lakes
• under the ground

An area of land that drains into a river or lake is called?

• an ecosystem
• a wetland
• a watershed
• a habitat