Earth's Oceans
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A 5th grade study of the Earth's oceans. We will cover the global location of oceans and their characteristics.
- 1.Which percentage of the Earth is covered with water?
- A.
50%
- B.
71%
- C.
80%
- D.
75%
- E.
90%
- 2.What ocean contains about one half the water volume of the Pacific Ocean?
- A.
Arctic Ocean
- B.
Indian Ocean
- C.
Atlantic Ocean
- D.
Mediterranean Sea
- 3.Which ocean is home of the mid-ocean ridge?
- A.
Indian Ocean
- B.
Pacific Ocean
- C.
Atlantic Ocean
- D.
Arctic Ocean
- E.
None of the above
- 4.The _____________ Ocean is mostly covered by ice.
- 5.The _________________ Ocean is the largest ocean.
- 6.This ocean is the smallest of the four main oceans on Earth.
- A.
Indian Ocean
- B.
Atlantic Ocean
- C.
Arctic Ocean
- D.
Pacific Ocean
- 7.How did water vapor collect in the atmosphere before the oceans formed?
- A.
It was spewed from volcanoes.
- B.
It came from another planet.
- C.
It. came from the sun.
- D.
None of the above
- 8.Salinity is usually measured in _______________
- 9.True or False.Some areas of the ocean are saltier than others.
- 10.The _________________ is a layer of water extending from 300m below sea level to about 700m below sea level.
- A.
Surface zone
- B.
Deep zone
- C.
Thermocline
- D.
None of the above
- 11.The deep zone is the bottom layer that extends from the base of the thermocline to the bottome of the ocean.
- A.
True
- B.
False
- 12.Temperatures in the surface zone vary with latitude and the time of the year.
- A.
True
- B.
False
- 13.Which happened first?
- A.
All oceans except the Pacific Ocean are expanding.
- B.
The Indian Ocean and the North Atlantic Ocean began to form.
- C.
The South Atlantic Ocean was much smaller than it is today.
- D.
The Earth had one giant body of water, Panthalassa, and one giant landmass, Pangaea.
- 14.Which happened second?
- A.
All oceans except the Pacific Ocean are expanding.
- B.
The Earth had one giant body of water, Panthalassa, and one giant landmass, Pangaea.
- C.
The South Atlantic Ocean was much smaller than it is today.
- D.
The Indian Ocean and the North Atlantic Ocean began to form.
- 15.Which of the following affect ocean salinity?
- A.
Humidity
- B.
Temperature
- C.
Water movement
- D.
Inflow of fresh water
- 16.What percentage of dissolved solids in ocean water is chlorine?
- A.
30.6%
- B.
7.7%
- C.
55%
- D.
26%
- 17.True or FalseThe water cycle is a cycle that links all of the Earth's solid, liquid, and gaseous water together.
- A.
True
- B.
False
- 18.What part of the water cycle is the changing of a gas to a liquid?
- A.
Precipitation
- B.
Evaporation
- C.
Condensation
- D.
None of the above
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