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Oceans-4th

Total questions: 54

Worksheet time: 33mins

Name
Class
Date
1.

What covers 70% of the earth's surface

a)

Ocean

b)

Rivers

c)

Lakes

d)

Ponds

2.

As depth increases..........

a)

Things become shallow

b)

temperature decreases, pressure increases, and light decreases

c)

It is more salty

d)

An Ocean Current

3.

Valleys cut deep into the ocean floor

a)

Plankton

b)

Salinity

c)

Surface Current

d)

Ocean Trench

4.

Flat, deep, and smooth part of the ocean floor. Cold temperatures are found here.

a)

Continental Shelf

b)

Abyssal Plain

c)

Continental Slope

d)

Seamounts

5.

Amount of salt found in water

a)

Photic Zone

b)

Gulf Stream

c)

Photosynthesis

d)

Salinity

6.

Underwater Volcanoes and Mountains?

a)

Seamounts or Mid- Ocean Ridge

b)

Mountain Ridge

c)

Coastal Plains

d)

Abyssal Plains

7.

gently sloping shelf of land extending from the shoreline to the continental edge

a)

Continental Slope

b)

Continental Shelf

c)

Continental Rise

d)

Abyssal Plain

8.

Sharp underwater hill connecting the continent to the ocean floor?

a)

Ocean

b)

Coral Reef

c)

Plankton

d)

Continental Slope

9.

Sand, Mud, and rocks that are found on the ocean floor are called?

a)

Jet Stream

b)

Photosynthesis

c)

Ocean Current

d)

Sediments

10.
What do you call an underwater mountain?
a)
trench
b)
abyssal plain
c)
seamount
d)
volcanic island
11.
What is a deep, underwater valley or canyon on the ocean floor?
a)
seamount
b)
trench
c)
continental rise
d)
continental slope
12.
The shallowest(least deep) part of the ocean is the ____________________
a)
trench
b)
abyssal plain
c)
continental shelf
d)
continental slope
13.
A trench is _______________
a)
cold and shallow
b)
deep and warm
c)
 deep and cold
d)
warm and shallow
14.
If you are on the beach, laying on a beach towel and playing in the sand, you are on the _______________________
a)
continent
b)
continental slope
c)
abyssal plain
d)
continental shelf
15.
Which best represents the order of seafloor features as you move from the shoreline to the deep ocean?
a)
 Continental slope – continental shelf- continental rise – mid-ocean ridge
b)
 Continental rise – continental shelf – mid-ocean ridge -  continental slope
c)
 Continental shelf – continental slope – continental rise – mid-ocean ridge
d)
   Mid-ocean ridge – continental rise – continental shelf- continental slope
16.
Scientists use ______ to determine the oceans depth.
a)
Submarines
b)
Sonar
c)
Helicopters
d)
Radiowaves
17.

The most plants and animals are found in the

a)

shallowest parts of the ocean

b)

deepest parts of the ocean

18.

As the depth of the ocean water increases, the temperature...

a)

increases (warmer)

b)

decreases (colder)

19.

The flattest area of the ocean is known as the _________________________.

a)

Rift Zone

b)

Abyssal Plain

c)

Mid-ocean Ridge

d)

Subduction zone

20.

Where are you walking when you are wading in the ocean?

a)

Ocean Trench

b)

Abyssal Plain

c)

Continental Slope

d)

Continental Shelf

21.

Where is the deepest place in the ocean?

a)

Mariana Trench

b)

Midnight Zone

c)

Continental Slope

d)

Abyssal Plain

22.

An underwater mountain which now reaches above the water level

a)

Island

b)

Seamount

c)

Continental Shelf

d)

Trench

23.

What are the 5 oceans?

a)

Atlantic, Indian, Pacific, Arctic, Southern ocean

b)

Pacific, Arctic, Southern, Mediterranean, Atlantic ocean

c)

Atlantic, Indian, Arctic, Southern, North ocean

d)

Pacific, Arctic, Southern, Black, Indian ocean

24.

The Largest Ocean is ________________?

a)

Pacific

b)

Atlantic

c)

Indian

d)

Arctic

25.

The United States is bordered by the ___________________ and the _____________________ Ocean.

a)

Pacific and Atlantic

b)

Indian and Arctic

c)

Indian and Southern

d)

Southern and Pacific

26.

____________are caused by the moon’s gravitational pull on the Earth.

a)

Tides

b)

Breaker

c)

Through

d)

Current

27.

Tides rise and fall about_________ a day.

a)

once

b)

monthly

c)

twice

28.

A ___________ is where the top of the wave curls over.

a)

current

b)

tides

c)

breaker

d)

through

29.

The __________ is the highest point of a wave.

a)

current

b)

crest

c)

tides

d)

breaker

30.

___________ current is caused by the movement of the earth and by the force and direction of the wind.

a)

Surface

b)

Through

c)

Barrier

d)

Inlet

31.

______________ are naturally occurring and functions to protect the mainland from the effects of waves on shore.

a)

Pacific Ocean

b)

Atlantic Ocean

c)

Barrier Islands

d)

Surface Current

32.
The distance between consecutive crests of a wave is the _________________.
a)
crest
b)
wavelength
c)
wave height
d)
trough
33.
About how much of Earth’s water is fresh water? 
a)
3%
b)
10%
c)
25%
d)
70%
34.
What causes ocean currents in the Northern Hemisphere to curve to the right?
a)
Earth's orbit around the Sun
b)
Earth's spinning on its axis
c)
Earth's magnetic field
d)
Earth's force of gravity
35.
Two types of ocean currents are
a)
local and global
b)
sea and land
c)
surface and deep
d)
warm and cold
36.
Temperature and salinity differences in ocean water cause:
a)
Mid-ocean ridges
b)
Deep Currents
c)
Surface Currents
d)
High tide and low tide
37.

Warm ocean currents generally come from

a)

The North Pole

b)

The South Pole

c)

The Equator

38.
A horizontal movement of ocean water that is caused by wind and that occurs at or near the ocean's surface.
a)
Gulf Stream
b)
Global Conveyor Belt
c)
Surface Current
d)
Gyre
39.

The measure of the amount of salt dissolved in a given amount of liquid.

a)

Sea Mount

b)

Salinity

c)

Saltonomous

d)

Salty McSaltster

40.

The rise and fall of the water level of the oceans is called ___

a)

Wave

b)

Tide

c)

Deep ocean current

d)

Surface current

41.

Which of the following causes most waves?

a)

Tides

b)

Wind

c)

Earthquake

d)

Sea animals

42.

Which type of water will sink?

a)

Warm, less salty

b)

Warm, more salty

c)

Cold, less salty

d)

Cold, more salty

43.
What is a trough?
a)
highest point on a wave
b)
lowest point on a wave
c)
longest point on a wave
d)
shortest point on a wave
44.
The water rushing back out to the ocean is called the _________________.
a)
wave
b)
undertow
45.
What is distance from a wave's crest to the trough called?
a)
wave height
b)
wave length
c)
wave frequency
d)
wave period
46.
In what zone does approximately 90% of all ocean life live?
a)
sunlight
b)
twilight
c)
midnight
47.
Animals that can use their bodies to make light are called _______________.
a)
magic
b)
shiny
c)
amazing
d)
bioluminescent
48.
As oceans become deeper, the water pressure ___________________.
a)
increases
b)
decreases
c)
stays the same
49.
90% of the ocean belongs in this ocean layer.  What is it?
a)
sunlight
b)
twilight
c)
midnight
50.
Which zone has the warmest water temperature?
a)
sunlight
b)
twilight
c)
midnight
51.
Which zone is completely dark and near freezing in temperature?
a)
sunlight
b)
twilight
c)
midnight
52.

Which is NOT a basic motion of the ocean?

a)

waves

b)

tides

c)

splashes

d)

currents

53.

Salinity is based off of what two things?

a)

water temperature and wave height

b)

evaporation and condensation

c)

evaporation and runoff

d)

water temperature and runoff

54.

Which motion is like a river flowing through the ocean?

a)

waves

b)

currents

c)

tides

d)

none of the above

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