Unit 3 Ocean Environment Pretest

37 Questions  I  By Povpanthers on October 6, 2008
This is a pretest of the Unit 3 Grade 5 VA Science test dealing with the Ocean Environment. This quiz will provide input as to students' prior knowledge of content and vocabulary.

  
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Question Excerpt

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1.  _______ is the continental shelf.
A.
B.
C.
D.
2.  Which is not a cause of major ocean currents?
A.
B.
C.
D.
3.  According to the graph above, which dissolved material is most abundant in seawater?
A.
B.
C.
D.
4.  According to this food web, if all the phytoplankton died, what would happen to the other sea animals?
A.
B.
C.
D.
5.  The ultimate source of food for all of the ocean organisms listed in the graph is what?
A.
B.
C.
D.
6.  On Earth, what is the approximate ration of ocean to land?
A.
B.
C.
D.
7.  Which of these human activities does not take place within the Earth's oceans?
A.
B.
C.
D.
8.  Which is the best example of river-like movements of water?
A.
B.
C.
D.
9.  Which major feature of the ocean floor is not included in the diagram above?
A.
B.
C.
D.
10.  The graph above shows the depths of the Atlantic Ocean at specific distances from the Virginia coastline. At which point would you expect to find the mid-ocean ridge?
A.
B.
C.
D.
11.  Students at Smith Elementary conducted experiments dealing with the amount of dissolved oxygen in water (measured in parts per million or ppm) and the water's ability to support life.  According to the graph above, which water sample was the worst in life-supporting capabilities?
A.
B.
C.
D.
12.  Which statement best describes why a given organism can survive in one area of the ocean and not in another, such as the Sunlight Zone versus the Midnight Zone?
A.
B.
C.
D.
13.  Which organism produces much of the Earth's oxygen and is the base of the ocean ecosystem?
A.
B.
C.
D.
14.  How are the major features of the ocean floor created and changed?
A.
B.
C.
D.
15.  Waves, ocean currents, and tides are all forms of water movement in the ocean. Which type is caused by the moon's gravitational pull on the Earth?
A.
B.
C.
D.
16.  In the world's oceans, over-fishing, pollution, and habitat destruction threatens many organisms. What are two animals in our own Chesapeake Bay that are threatened by such human acts?
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B.
C.
D.
17.  If the Earth's ocean suddently dried up, what might the primary impact be on humans?
A.
B.
C.
D.
18.  Smallville, Virginia is located near the border with West Virginia. Recently, the Town Council has decided to pass a law that allows farmers to use any sort of pesticide they wish. The Town Council also passed a law that allows people to dump oil, antifreeze, and paint into deep pits in the local trash dump. Barbara and Joel both live in Portsmouth, Virginia, and are protesting these laws. Why do they believe that these laws may harm Portsmouth?
A.
B.
C.
D.
19.  ___________ is the rather level area of the ocean floor.
A.
B.
C.
D.
20.  Organisms that live on the bottom of the ocean that are not free-floating.
21.  Feature of teeh ocean floor that is covered with thick sediments and spans the change in depth between the continental shelf and the continental rise.
A.
B.
C.
D.
22.  The measurement from the ocean's surface to the floor in one given spot.
A.
B.
C.
D.
23.  Deepest area of the ocean floor
A.
B.
C.
D.
24.  The measure of the concentration of dissolved salt in water.
25.  Aquatic animals whose swimming appendages are too small to enable them to swim effectively against current. (They are typically microscopic, ranging in size up to a few centimeters long.)
A.
B.
C.
D.
26.  Area of transition between the abyssal plain and the continental slope that is covered with thick sediment.
A.
B.
C.
D.
27.  Single-celled plant-like and bacteria plankton which float on the ocean's surface, producing much of the Earth's oxygen and serving as one of the basis for the marine food web.
A.
B.
C.
D.
28.  Mountain range found along the ocean floor. (Only the pearks, if any, are visible above the ocean's surface.)
29.  Tiny open-water plants, animals, or bacteria that are transported by water currents and tides.
30.  Movement of energy through water caused by wind.
A.
B.
C.
D.
31.  A 'river' of water caused by temperature changes and the Earth's rotation that moves quickly through a larger body of water/
A.
B.
C.
D.
32.  A rather level area of the ocean floor that is covered with thick sediment and links the shoreline with the continental slope.
A.
B.
C.
D.
33.  Network of the interactions between organisms and their environment (both living and nonliving components).
34.  Marine organisms that have the ability to swim or move against the current.
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B.
C.
D.
35.  One of seven large bodies of salt water that covers about 70% of the Earth's surface.
A.
B.
C.
D.
36.  The major current of the Eastern United States coast that travels north from the equator. (It affects the temperature and weather of this region.)
A.
B.
C.
D.
37.  The rhytmic movement of water on the Earth's surface that is caused by the moon's gravitational pull.
A.
B.
C.
D.
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