Water Quality of Watersheds

Does the process of photosynthesis increase or decease the amount of dissolved oxygen in a watershed

• Increases

• Decreases

Does the process of decaying plants increase or decease the amount of dissolved oxygen in a watershed

• Increases

• Decreases

Does the process of increasing temperature increase or decease the amount of dissolved oxygen in a watershed

• Increases

• Decreases

Does the process of increasing salinity increase or decease the amount of dissolved oxygen in a watershed

• Increases

• Decreases

Does the process of increasing water depth increase or decease the amount of dissolved oxygen in a watershed

• Increases

• Decreases

What happens when a fertilizer runoff happens that carries excess nitrogen?

• fish grow bigger

• it make the water more healthy and clean

• algae grow rapidly and results in low oxygen levels

• plants grow more

If a homeowner dumps paint into the yard, the paint will ________________________.

• stay on the surface and cause no problems

• sink into the ground a cause no problems

• contaminate groundwater and surface water

• contaminate the air when it evaporates

Tags

NGSS.MS-ESS3-3

An area of permeable layer of rock or soil that holds a large amount of water in the saturated zone is called what?

• Aquifer
• Spring
• Well
• Reservoir

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Most of the water in Virginia's watershed drains into

• the Chesapeake Bay

• The Gulf of Mexico

• The Mississippi River

• The North Carolina Sound

Of Virginia's watershed zones, which is the largest?

• Roanoke

• Chowan

• James

• York