Earth's Oceans

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3. Temperatures in the surface zone vary with latitude and the time of the year.

True

False

4. The deep zone is the bottom layer that extends from the base of the thermocline to the bottome of the ocean.

True

False

5. True or False

The water cycle is a cycle that links all of the Earth's solid, liquid, and gaseous water together.

True

False

6. Which percentage of the Earth is covered with water?

50%

71%

80%

75%

90%

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8. This ocean is the smallest of the four main oceans on Earth.

Indian Ocean

Atlantic Ocean

Arctic Ocean

Pacific Ocean

9. Which happened first?

All oceans except the Pacific Ocean are expanding.

The Indian Ocean and the North Atlantic Ocean began to form.

The South Atlantic Ocean was much smaller than it is today.

The Earth had one giant body of water, Panthalassa, and one giant landmass, Pangaea.

10. What part of the water cycle is the changing of a gas to a liquid?

Precipitation

Evaporation

Condensation

None of the above

11. How did water vapor collect in the atmosphere before the oceans formed?

It was spewed from volcanoes.

It came from another planet.

It. came from the sun.

None of the above

12. Which happened second?

All oceans except the Pacific Ocean are expanding.

The Earth had one giant body of water, Panthalassa, and one giant landmass, Pangaea.

The South Atlantic Ocean was much smaller than it is today.

The Indian Ocean and the North Atlantic Ocean began to form.

13. What ocean contains about one half the water volume of the Pacific Ocean?

Arctic Ocean

Indian Ocean

Atlantic Ocean

Mediterranean Sea

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15. The _________________ is a layer of water extending from 300m below sea level to about 700m below sea level.

Surface zone

Deep zone

Thermocline

None of the above

16. What percentage of dissolved solids in ocean water is chlorine?

30.6%

7.7%

55%

26%

17. Which ocean is home of the mid-ocean ridge?

Indian Ocean

Pacific Ocean

Atlantic Ocean

Arctic Ocean

None of the above

18. Which of the following affect ocean salinity?

Humidity

Temperature

Water movement

Inflow of fresh water

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