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Oceans And Beaches
Test Description: Formative Assessment
Instructions: Answer all questions to get your test result.
1) What is the most abundant salt in the ocean?
A
Sodium Chloride
B
Mercury
C
Magnesium Chloride
D
Iodine
2) Ocean water is a mixture of which 2 things?
A
Dissolved gases and solids.
B
Liquid nitrogen and oxygen.
C
Only salts.
D
Solids and algae.
3) More nutrients are found in the deep zone. Why?
A
Because cold water holds more nutrients.
B
Because warm water constantly sinks bringing down the nutrients.
C
Because cold water holds less nutrients.
D
Because warm water holds more nutrients.
4) What force causes waves?
A
Wind.
B
Gravity.
C
Ocean currents.
D
Tides.
5) Currents are caused by which 2 factors?
A
Water density and temperature.
B
Salinity and water density.
C
Size of waves and duration.
D
Wind patterns and water density.
6) Name a long distance surface current that carries warm water from Florida up the East Coast.
A
The inter-coastal waterway.
B
The Gulf Stream.
C
The Pacific Gyre.
D
The Labrador current.
7) A current that cuts open a sand bar and forces water straight out in to the ocean is called:
A
Rip current.
B
Long distance deep currents.
C
Surface currents.
D
Paralell currents.
8) El Nino can cause the following to occur.
A
Causes tidal waves
B
Change weather patterns all over the world.
C
Help the fishing industry.
D
Stabilize the weather in South America.
9) Upwelling is:
A
Long distant surface currents.
B
Surface currents that make sandbars.
C
When tides are higher than usual.
D
When cold rich water comes to the surface.
10) Barrier Islands are:
A
Elongated bodies of sand surrounded by inlets
B
Sea cliffs off the coast of Africa.
C
Sea stacks off the coast of Florida.
D
Volcanic hot spot volcanoes
*select an answer for all questions
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