Science SOL 4.7

What do the arrows show on the world map?

• The tides

• The size of the waves

• Ocean currents

• Migration Patterns

Tags

4.7

4.7.b

Match the following:

• Plant-like organisms that float on or near the ocean's surface and produce much of Earth's oxygen

• continental shelf

• wind patterns, water temperature/density

• phytoplankton

• The “saltiness” of ocean water

• causes of water currents

• A long distance current that carries warm water to Europe

• Salinity

• The shallow part of the ocean floor near the shore where marine life flourishes

• Gulf Stream

Tags

4.7

4.7.a

4.7.b

4.7.c

The depth of the ocean varies. ​ (a)   are relatively deep and the ​ (b)   is relatively shallow.

• Ocean Trenches
• Continental Shelf

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4.7

4.7.a

True or False: The shallow water of the continental shelf is full of living organisms.

• True

• False

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4.7

4.7.c

Ocean life depends on ​ (a)   , which form the base of the ocean food webs and carryout photosynthesis to produce oxygen.

• phytoplankton
• sharks
• small fish
• salt water
• sunlight

Tags

4.7

4.7.c

Which letter shows where there are the smallest number of living organisms?

• A

• B

• C

• D

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4.7

4.7.c

4.7.a

Animals living near the equator likely need​ (a)   water to survive.

• warm
• colder
• deeper
• shallow
• deep
• cold
• salty

Tags

4.7

4.7.c

As you travel deeper into the ocean, (a)   increases as ​ (b)   decreases.

• water pressure
• sunlight and temperature

Tags

4.7

4.7.a

4.7.b

According to the graph, which TWO oceans have a volume greater than the Indian Ocean?

• Pacific

• Atlantic

• Southern

• Arctic

Tags

4.7

4.7.b