River Basin and Estuary Review

A semi-enclosed area where fresh water from a river meets salty water from the ocean.

• watershed

• groundwater

• ocean

• estuary

Tags

NGSS.MS-ESS2-4

Which best explains why inhabitants of an estuary must adapt to frequent environmental changes?

• estuaries receive very little sunlight

• brackish water is always warm

• the water has very low levels of oxygen

• the salinity level is constantly changing due to tides, floods, and droughts

Tags

NGSS.MS-LS2-4

As water in a river basin moves downstream, it can transfer

• sand, silt, and gravel

• bacteria & organic matter

• chemicals & excess nutrients

• all of the above

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

How are estuaries different from lakes or the ocean?

• estuaries contain only salt water

• estuaries contain both salt water and fresh water

• estuaries contain only fresh water

• estuaries are not bodies of water

What role do estuaries play in the environment?

• They are primarily used for mining

• They serve as nurseries for many marine species

• They are a source of freshwater

• They are primarily used for industrial waste disposal

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

What biome is where salt and freshwater mix? The Chesapeake Bay is an example!

• Aquatic

• Freshwater

• Marine

• Estuary

What is an estuary?

• A freshwater lake

• A body of water where freshwater from rivers meets and mixes with saltwater from the ocean

• A type of wetland

• A deep-sea trench

Tags

NGSS.MS-ESS2-4

Which is the correct statement regarding estuaries?

• it supplies fresh water to lakes

• it supplies all of the minerals that make ocean water salty

• it prevents salt water from entering a river

• it acts as a filtering system to remove some pollutants from water runoff

The drainage area of a river is called a ______

• estuary

• ocean

• river basin

• beach

Estuaries are good for all of the following except

• nursery for young fish

• fishing

• filtration

• upwelling