Water Quality & Distribution

Measurement of the condition of water and how clean it is for living things, including humans.

• glaciers

• marine biologist

• water quality

• algae

A type of filter that separates out large particles that can get into water.

• surface runoff

• watershed

• storm drain

• sediment filter

How is water distributed on earth in terms of freshwater and saltwater?

• 97% saltwater & 3% freshwater

• 3% saltwater & 97% freshwater

• 93% saltwater & 7% freshwater

• 7% saltwater & 93% freshwater

A large area of land that drains into a body of water.

• surface runoff

• watershed

• storm drain

• sediment filter

What are things we can do to improve water quality?

• appropriate use of water

• careful water storage and handling

• proper land management

• all of the above

All of the following add Dissolved Oxygen to the water except....

• From Photosynthesis by underwater plants

• Movement of the water

• Air in the atmosphere

• Underground Oxygen deposits

improved water quality can be achieved by

• appropriate use of water

• careful water storage and handling

• proper land management

• all of the above

A healthy water system has _______ levels of dissolved oxygen.

• No

• High

• Low

• Blue

Tags

NGSS.MS-LS1-6

The majority of aquatic creatures prefer a pH range of 6.5-9.0. If it is too low or high they will die

• True

• False

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Factors that affect dissolved oxygen include

• temperature and turbidity

• lack of fish and amphibians.

• the amount of carbon dioxide.

• None of the above.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4