Bays and Estuaries

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.

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

• False

• True

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

What type of estuary is the Chesapeake Bay?

• Bar Built

• Drowned River Valley

• Fjord

• Tectonic

What is one use of an estuary to help increase biodiversity?

• Used as a place to help predators capture their prey

• Used as a "nursery" to help organisms raise babies

• Used as a place the filter sediment and trap pollution

• Used as an "overflow" area to prevent flooding

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

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.

Tags

NGSS.MS-LS2-3

Which of the following are types of estuaries?

• Bays.

• Lagoons.

• Mangrove swamps.

• All of the above.

What is one way we can protect wetlands and estuaries?

• Not polluting in our river basin

• Dumping chemicals down drains

• Littering in waterways

• Washing a car in a driveway instead of a car wash

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-5

Estuaries act like a ______ to help absorb flood water and storm surges.

• forest

• sandy beach

• river

• barrier

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-2

Estuaries are not only habitats for animals but they can provide this for people:

• Recreational area

• Food source

• Educational and learning environment

• All of these

Tags

NGSS.MS-LS2-5

Sand bars that build up over a long time and partially close off coastal waters form this type of estuary:

• bar built

• fjords

• coastal plain

• tectonic

Tags

NGSS.MS-ESS2-4