Earth's Water Distribution

4. Approximately what percentage of Earth’s water is freshwater?

• 97%
• 70%
• 30%
• 3%

3. _____________% of Earth's water is salt water and ___________ % is freshwater

• 97%, 3%
• 3%, 97%
• 70%, 30%
• 30%, 70%

10. The graph shows the distribution of water on Earth's surface. What can be concluded from this image?

• Most of the freshwater on Earth is found in groundwater.
• Most of the Earth's freshwater is found on the surface.
• Most of the freshwater on Earth is not able to be used.
• Most of Earth's useable water if found in the oceans.

6. Which source supplies most of your useable (drinking) water?

• lakes and rivers
• groundwater
• ice caps and glaciers
• the oceans

8. What percentage of Earth's total water supply is available for human use?

• 70%
• 30%
• 3%
• less than 1%

2. From largest to smallest, the amounts of water on Earth are:

• lakes & rivers, salt water, frozen freshwater, groundwater
• salt water, frozen fresh water, groundwater, lakes & rivers
• salt water, lakes & rivers, frozen freshwater, groundwater
• groundwater, salt water, frozen freshwater

5. Most of Earth’s freshwater is found in

• huge masses of ice near the North and South Poles.
• cracks and spaces in underground soil and rock
• the oceans.
• rivers and lakes.

11. Water that fills the cracks and spaces in underground soil and rock layers

• Water Cycle
• Aquifer
• Water Table
• Groundwater

1. Planet Earth is ________________% water and ______________ % land

• 97%, 3%
• 70%, 30%
• 30%, 70%
• 60%, 40%