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Oceans Geology 5.6 a

Total questions: 27

Worksheet time: 14mins

Name
Class
Date
1.
How much of the Earth's surface is covered by the Oceans?
a)
50 %
b)
25 %
c)
70%
d)
10%
2.

This area is a deep and flat area of the ocean floor and is covered with sediment, sand, and rocks.

a)
Mid-Ocean Ridge
b)
Continental Slope
c)
Trench
d)
Abyssal Plain
3.
This part of the Ocean begins at the shoreline. It can go out for many miles and is fairly shallow, only around 200 to 400 feet.
a)
Continental slope
b)
Continental Shelf
c)
Continental Rise
d)
Trench
4.
This part of the Ocean begins at the EDGE of the continental shelf and it plunges down at least 2 miles at a steep angle.
a)
Continental Slope
b)
Continental Shelf
c)
Continental Rise
d)
Abyssal Plain
5.
This area connects the walls of the continental slope to the ocean floor. It is the bottom of the slope and is covered by sand, sediment, and mud.
a)
Continental Shelf
b)
Continental Rise
c)
Trench
d)
Abyssal Plain
6.
These are the deepest parts of the Ocean. Some of these are more than 36,000 feet deep.
a)
Abyssal Plain
b)
Mid-Ocean Ridge
c)
Continental Rise
d)
Trench
7.
This is an underwater mountain system, caused by divergent plate boundaries.
a)
Continental Rise
b)
Abyssal Plain
c)
Mid-Ocean Ridge
d)
Mariana Trench
8.
This is the deepest trench in the world.
a)
Abyssal Plain
b)
Mariana
c)
Pacific Ocean
d)
Atlantic Ocean
9.
This is the name we call the Continental Shelf, Continental Slope, and the Continental Rise, all put together.
a)
Continental Margin
b)
Continental Mountain
c)
Abyssal Margin
10.
If you are standing in the water at the beach, you are standing on the:
a)
Continental Rise
b)
Continental Slope
c)
Continental Shelf
d)
Abyssal Plain
11.
What three things cover the continental shelf, slope, and rise?
a)
seashells, sand dollars, lobster
b)
sand, mud, rocks
c)
seaweed, salt, animal remains
12.
This word means "the amount of salt" in the water.
a)
humidity
b)
heredity
c)
salinity
13.
Which of these is NOT a basic motion of the ocean?
a)
waves
b)
bubbles
c)
tides
d)
currents
14.
What is the rise and fall of the ocean's surface level?
a)
waves
b)
currents
c)
tides
15.
Ocean tides are affected by the gravity of what?
a)
Earth
b)
Moon
c)
Venus
d)
Continent
16.
A river of water that runs through the ocean.
a)
current
b)
tide
c)
wave
d)
stream
17.

The Gulf Stream Current is:

a)

An ocean

b)

A current located near Alaska that travels near China

c)

A warm surface current that travels along the east coast towards Europe

18.

What do the arrows on the map represent?

a)

Time between tides

b)

Size of waves

c)

Ocean currents

d)

Water density

19.

Which location is likely to have the coldest temperatures, the highest pressure, and the smallest number of living organisms?

a)

1

b)

2

c)

3

d)

4

20.

Many species of organisms live in coral reefs. The map shows that most coral reefs are found near the equator. What does the location of coral reefs suggest about those organisms?

a)

Corals live around volcanic islands

b)

Ocean currents keep corals from migrating

c)

Corals need warm ocean seawater to survive

d)

Most ocean waters are too deep for corals

21.

The biggest difference between ocean water and lake water is that ocean water contains:

a)

salt

b)

fish

c)

algae

d)

sediment

22.

Algae in the ocean provide much of the Earth's

a)

carbon dioxide

b)

hydrogen

c)

oxygen

d)

nitrogen

23.

The ocean floor contains:

a)

mountains, plains and ridges, just like on land

b)

only a flat bed of sand

c)

the same amount of water everywhere

d)

less area than land on the Earth

24.

Algae and other producers need lots of sunlight to perform photosynthesis. Most algae would be found:

a)

Beside the continental slope

b)

Near the continental shelf

c)

In an oceanic trench

d)

On the abyssal plain

25.

Which of these increases as a submarine goes deeper into the ocean?

a)

Plants

b)

Temperature

c)

Pressure

d)

Sunlight

26.

Which best describes the continental shelf?

a)

A flat underwater valley

b)

A region of mountains in the deep ocean

c)

A region with a high water pressure

d)

A shallow area of sediment near the shore

27.

What decreases as you go deeper into the oceans?

a)

light and temperature

b)

salt and organisms

c)

pressure and light

d)

sediment and fish