Distribution of Earth Water

• Water is made up of what two elements?

• Hydrogen and Oxygen

• Carbon Dioxide and Iron

• Oxygen and Argon

• Hydrogen and Helium

Tags

NGSS.MS-PS1-1

How much of the water on earth is available for human use?

• 0.5%

• 1%

• 70%

• 97%

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-1

Of all the earth’s water, how much is ocean or seas?

• 97%

• 75%

• 2%

• 479%

Tags

NGSS.MS-ESS2-4

What is the most common substance found on earth?

• water

• soil

• iron

• vegetation

Tags

NGSS.5-ESS2-2

Paul has a sample of water. What question could you ask him to determine if its salty or fresh water?

• Does the sample contain sodium chloride?

• Is the sample frozen?

• Is the sample heavy?

• Is the sample polluted?

Which is in the correct order from largest to smallest?

• ocean, glaciers, rivers

• glaciers, rivers, oceans

• oceans, rivers, swamps

• lakes, oceans, rivers

Only 3% of Earth's water is fresh. Why is 2% of that not readily available?

• its frozen

• its polluted

• its too salty

• its in aquifers

It’s not important to save water because our planet has a lot of it.

• True

• False

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-4

Is it possible for me to drink water that was part of the dinosaur era?

• Yes, water is recycled

• No, that water is long gone

Tags

NGSS.MS-ESS2-4

How much of the world’s water is frozen and therefore unusable?

• 2%

• 10%

• 25%

• 0%