H2O-NO! - Fresh Water Problems: Crash Course Kids #33.1

What is fresh water?

• All water in liquid form.

• Water that does not contain a large amount of salt.

• Water that originated in the last 100 year.

• Water that has been cleaned of bacteria and other micro-organisms.

Fill in the blank: There is _____ salt water on Earth than fresh water.

• a lot more more

• a little more

• a little less

• a lot less

Tags

NGSS.MS-ESS2-4

In which of the follow can you NOT find fresh water?

• Rivers

• Glaciers

• Lakes

• Oceans

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

What did the line graph show?

• Water supply and water usage remained level.

• Water supply and water usage both decreased.

• Water supply stayed constant while water usage increased.

• Water supply increased while water usage stayed constant.

How have vaquitas been affected by decrease in fresh water in their ecosystem?

• They have been dying out with only 100 left in the world.

• They have evolved to be smaller so they need less water to survive.

• They have evolved to survive on salt water.

• They have learned to get fresh water from nearby ponds and lakes.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Can the levels of freshwater in the hydrosphere change?

• Yes

• No

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5