Water Quiz

What percentage of Earth's water is salt water?

• 97%

• 3%

• 75%

• 25%

Is the majority of freshwater on Earth easily accessible?

• Yes

• No, because it is trapped in ice caps and glaciers

• No, because it is underground

• Yes, it is available in rivers and lakes

Tags

NGSS.MS-ESS2-4

What is the primary reason high turbidity is bad for water ecosystems?

• It increases water temperature

• It decreases water temperature

• It blocks sunlight, preventing photosynthesis

• It makes the water acidic

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which zone of the ocean is known for having no light and organisms relying on chemosynthesis?

• Intertidal

• Neritic

• Open Ocean

• Abyssal Plain

What happens to water temperature and dissolved oxygen as you go deeper into the ocean?

• Temperature increases, oxygen increases

• Temperature decreases, oxygen decreases

• Temperature decreases, oxygen increases

• Temperature increases, oxygen decreases

Tags

NGSS.MS-ESS2-6

NGSS.MS-PS1-4

What is a point source of pollution?

• A widely spread area of pollution

• A specific identifiable location

• Pollution that cannot be located

• A natural source of pollution

All potable water is safe to drink.

• True

• False

Which agency is responsible for setting water quality monitoring standards?

• Environmental Protection Agency

• Water Safety Department

• Health and Water Services

• National Water Board

Which describes an estuary?

• A large body of fresh water.
• A large body of salt water.
• The wide, lower course of a river where fresh and salt water mix.

Which is most likely an example of point source pollution?

• fertilizer sprayed onto a field
• water runoff from a city street 
• a pipe flowing into a river