Estuaries

An estuary is best defined as a place where--

• fresh and salt water meet

• a river meets a lake

• a group of animals are gathered

• the water from the land flows into a river

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

• wetlands

• lakes

• bogs

• estuaries

Which letter marks the estuary in the diagram shown?

• A

• B

• C

Tags

NGSS.MS-ESS2-4

Bays, lagoons, salt marshes, mudflats, and mangrove swamps are all types of--

• freshwater wetlands

• lakes

• bogs

• estuaries

Tags

NGSS.MS-LS2-2

When salt and fresh water mix, what is the new water substance called?

• brackish acid

• freshwater

• saltwater

• brackish water

Identify the estuary.

• 
• 
• 
• 

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which image shows plants you might find in an estuary?

• 
• 
• 
• 

Tags

NGSS.MS-LS2-1

Why are estuaries important to our environment?

• filter pollutants and prevent erosion

• provide nurseries for marine life

• act as home for many types of wildlife

• all of the above

Tags

NGSS.MS-LS2-5

True or False:

Estuaries are one of the most productive ecosystems in the world.

• False

• True

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

How have estuaries been affected by humans?

• dredged to make harbors

• filled in for development

• polluted by industrial parks

• all of the above

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4