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Worksheets

Ocean Features In

Total questions: 29

Worksheet time: 27mins

Name
Class
Date
1.

Valleys cut deep into the ocean floor

a)

Plankton

b)

Salinity

c)

Surface Current

d)

Ocean Trench

2.

Amount of salt found in water

a)

Photic Zone

b)

Gulf Stream

c)

Photosynthesis

d)

Salinity

3.

Sharp underwater hill connecting the continent to the ocean floor?

a)

Ocean

b)

Coral Reef

c)

Plankton

d)

Continental Slope

4.

the constant movement of ocean water that is caused by the patterns of wind and water density

a)

Ocean Current

b)

Continental Drift

c)

Land Before Time

d)

Zooplankton

5.

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

a)

Continental Shelf

b)

Continental Slope

c)

Abyssal Plain

d)

Trench

6.

Which of the following would decrease as a diver travels deeper into the ocean? (Choose all of the correct answers!)

a)

Pressure

b)

Light

c)

Temperature

d)

Salinity

7.

High and low tides on the coast are caused mostly by

a)

underwater earthquakes

b)

the gravity from the moon

c)

storms over the ocean

d)

the tilt of Earth

8.

Which of the following are identifying characteristics of the deepest levels of the ocean. (Choose all that apply)

a)

Some light

b)

No light

c)

90 percent of all ocean life

d)

Greater water pressure

9.

Which of the following cause ocean waves.

a)

changes in salinity

b)

ships navigating

c)

temperature decreasing

d)

friction from the wind

10.

Which ocean floor feature is the steep cliff-like drop beyond the continental shelf?

a)

Continental Shelf

b)

Continental Slope

c)

Abyssal Plain

d)

Ocean Trench

11.

As the depth of the ocean water increases, the amount of light...

a)

Increases (more light)

b)

Decreases (less light)

12.
What is the steep slope at the edge of the continental shelf?
a)
seamount
b)
mid-ocean ridge
c)
continental slope
d)
rift zone
13.
What is the deepest part of the ocean basin?
a)
abyssal plains
b)
trenches
c)
rift zones
d)
mid-ocean ridge
14.
As oceans become deeper, the water pressure ___________________.
a)
increases
b)
decreases
c)
stays the same
15.

The deepest parts of the ocean are called

a)

trenches

b)

abyss

c)

deep sea plain

d)

guyot

16.

Shorelines made up of sand are called ____________.

a)

beaches

b)

rock ports

c)

currents

d)

tides

17.

What is the flat land located on either side of the mid-ocean ridge?

a)

continental slope

b)

abyssal plain

c)

continental shelf

d)

mid-ocean ridge

18.

What causes surface waves?

a)

underwater volcanoes

b)

earthquakes

c)

wind

d)

landslides

19.
Which of the following is an underwater wave?
a)
tidal wave
b)
surface wave
c)
tsunami
d)
ocean wave
20.
What is letter E?
a)
Volcanic Island
b)
Seamount
c)
Mid-Ocean Ridge
d)
Abyssal Plain
21.
What is letter D?
a)
Cont. Shelf
b)
Mid-Ocean Ridge
c)
Volcanic Island
d)
Seamount
22.

The Mariana __________ is the deepest known place on Earth

a)

Volcanoe

b)

Seamount

c)

Ridge

d)

Trench

23.
Scientists use ______ to determine the oceans depth.
a)
Submarines
b)
Sonar
c)
Helicopters
d)
Radiowaves
24.
The ocean makes up about ________ % of the Earth's surface. 
a)
100%
b)
53%
c)
70 %
d)
90%
25.
_____________ is the measure of how salty the ocean's water is. 
a)
salinity
b)
solution 
c)
coral 
d)
plankton 
26.

Ocean basins are mainly responsible for the movements of Earth's ---------- plates.

(a)  

27.

What did scientists use to map the ocean floor?

a)

Echo-location

b)

Animals

c)

Sonar

d)

space shutters

28.

What are mid-ocean ridges?

a)

A chain of underwater waterfalls

b)

A chain of underwater volcanos

c)

A chain of underwater mountains

d)

A chain of underwater rocks

29.

How are salts added to the ocean?

a)

Precipitation

b)

Land erosion

c)

Evaporation