Estuaries

An estuary is best defined as a place where--

• fresh and salt water meet

• a river meets the Chesapeake Bay

• a group of animals are gathered

• the water from the land flows into a river

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NGSS.MS-ESS2-4

NGSS.MS-LS2-3

the amount of salt dissolved in water is

• pH

• salinity

• solution

• miscibility

Bay, lagoon, harbor, inlet, and sound are other names for

• wetlands

• lakes

• bogs

• estuaries

a mix of salt water and fresh water

• mixture

• brackish

• abiotic

• biotic

True or False:

Estuaries are one of the most productive Ecosystems/Biomes in the world.

• False

• True

Which letter marks the estuary in the diagram shown?

• B

• C

• A

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NGSS.MS-ESS2-4

Why are estuaries important to our environment?

• Estuaries filter pollutants and prevent erosion.

• Estuaries provide nurseries for marine life.

• Estuaries act as home for many types of wildlife.

• All of the above.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

Where would you find greater salinity in an estuary?

• On the surface of the water.

• Near the bottom.

• Somewhere in the middle.

• It would be the same throughout the estuary.

A salt wedge forms in an estuary because

• fresh water is more dense than seawater and sinks down.

• fresh water is less dense than seawater and sinks down.

• fresh water is more dense than seawater and floats on top.

• fresh water is less dense than seawater and floats on top.

Tags

NGSS.MS-ESS2-4

Which of the following is the the largest estuary in North Carolina?

• Pamlico Sound

• Albermarle Sound

• Core Sound

• Bogue Sound