Estuaries vs. Freshwater and Marine

a partially enclosed body of water where salt and freshwater mix is a/an

• wetland

• lake

• estuary

• aquifer

the amount of salt dissolved in water is

• pH

• salinity

• solution

• miscibility

What is an estuary?

• The land area that drains water into a lake river or pond

• The area where river meets the ocean, where fresh water and salt water mix.

• The large body of salt water that covers most of earths surface.

• The underground system that provides drinking water to an area.

Which letter marks the estuary in the diagram shown?

• B

• C

• A

• D

Tags

NGSS.MS-ESS2-4

Why are estuaries important to our environment?

• Estuaries filter pollutants

• Estuaries provide nurseries for marine life

• Estuaries act as home for many wildlife

• All of the above

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Where does all water on earth eventually flow?

• oceans
• ponds
• rivers

Tags

NGSS.MS-ESS2-4

Which of these contain most of Earth's water?

• oceans

• rivers

• lakes

• glaciers

Tags

NGSS.MS-ESS2-4

Which has the greatest affect on the amount of salt in a salt marsh?

• the number of animals living in the marsh

• the closeness of the marsh to the ocean

• the depth of the water in the marsh

• the temperature of the water in the marsh

Tags

NGSS.MS-LS2-4

What kind of ecosystem has a combination of freshwater and saltwater?

• lake

• ocean

• estuary

• pond

What is the main difference between marine and freshwater ecosystems?

• the amount of animals

• the amount of plants

• the amount of rocks

• the amount of salt