Rivers and Lakes

What percent of the Earth is covered by water?

• 50

• 60

• 70

Tags

NGSS.MS-ESS2-4

Salt water makes up about ____ percent of the Earth’s water.

• 100
• 97
• 45

Tags

NGSS.MS-ESS2-4

Most of Earth’s water is underground or frozen in glaciers.

• True

• False

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Plenty of water is available for humans.

• True

• False

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Where does the water come from that we use?

• Rivers and lakes.

• Oceans.

• We make it.

Tags

NGSS.MS-ESS2-4

Only three percent of Earth’s water is fresh water.

• True

• False

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Most of the freshwater is:

• Frozen

• Salty

• Swamps

Tags

NGSS.MS-ESS2-4

Most of the earth’s freshwater is:

• Not available to us

• Is available to us

Tags

NGSS.MS-ESS2-4

Icecaps and Glaciers make up 68.7% of the Earth’s freshwater.

• True

• False

Tags

NGSS.MS-ESS2-4

Humans can survive off of salt water alone.

• True

• False