Watersheds Review

Some of the  rivers that flow through the Roanoke River Watershed into the Roanoke River include Little Otter RIver, Big Otter River, Blackwater River, Pigg River, Dan River, Smith RIver and Banister River.  These are the              of the Roanoke River.

• Tributaries

• Drainage Basins

• Branches

• Divides

Answer explanation

A stream of water that drain into a larger stream is a tributary

Tags

NGSS.MS-ESS2-4

The Chesapeake Bay’s biggest problem is “nasty” runoff.  What are the 3 biggest concerns affecting the bay?  Choose ALL correct answers.

•  Excess nutrients

• Too many underwater grasses

• Sediment from erosion

• Toxic substances

• Overpopulation of wildlife

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

The land area that supplies water to a river system is called a -

• Watershed

• Tributary

• Divide

• Stream

Tags

NGSS.MS-ESS2-4

What is the largest watershed in Virginia?

• Atlantic Ocean Coastal Watershed

• The Pacific Ocean Watershed

• The Gulf of Mexico Watershed

• The Chesapeake Bay Watershed

Tags

NGSS.MS-ESS2-4

 Fertilizers and sewage _____ the water supply.

• pollute

• clean

• remove salt from

• Help

Select 3 states that make up the Chesapeake Bay Watershed.

• Delaware

• New Jersey

• Pennsylvania

• Kentucky

• New York

The large amounts of nutrients in the water causes excess algae to grow then die off which leads to ___ levels in the bays.

• low oxygen

• high nitrogen

• low hydrogen

• high oxygen

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Select 3 states that make up the Chesapeake Bay Watershed.

• Virginia

• Tennessee

• Maryland

• West Virginia

The land area that supplies water to a river system is called a -

• Watershed

• Tributary

• Divide

• Stream

Tags

NGSS.MS-ESS2-4

What happens first when bay waters become turbid from excess sediment?

• Flooding increases

• The sun can’t shine through, and the sub-aquatic plants die off

• The crabs are forced to leave because of anoxia.

• The algae begin to overgrow caused by eutrophication

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4