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Ocean Characteristics & Ocean Food Chains

Total questions: 23

Worksheet time: 12mins

Name
Class
Date
1.

A large stream of water that flows through the ocean.

a)

Tide

b)

Wave

c)

Current

d)

Wind

2.
The daily changes (rise and fall) of ocean water.
a)
Upwelling
b)
Wave
c)
Tides
d)
Wind
3.

The area of continuous moving water through a body of water at the main surface.

a)

Waves

b)

Tides

c)

Currents

d)

Wind

4.
This causes a wave and surface currents.
a)
Wind
b)
Tides
c)
Moon
d)
Upwelling
5.
Ocean tides are mainly caused by the gravitational pull from the __________.
a)
Sun
b)
Moon
c)
Water
d)
Seafloor
6.
Surface currents are caused by ___________.
a)
temperature and salinity
b)
wind
7.
What are the three motions of the ocean?
a)
continental shelf, continental rise, continental slope
b)
waves, tides, currents
8.
As oceans become deeper, the water pressure ___________________.
a)
increases
b)
decreases
c)
stays the same
9.

Ocean water contains dissolved salt, known as ___________.

a)

tides

b)

salinity

c)

depth

d)

currents

10.

TRUE or FALSE

Salinity of ocean water is not the same everywhere.

a)

TRUE

b)

FALSE

11.

As oceans become deeper, the water temperature ___________________.

a)

increases

b)

decreases

c)

stays the same

12.

What is the basic motion of the ocean?

a)

tides

b)

waves

c)

currents

d)

depth

13.

As oceans become deeper, the water pressure ___________________.

a)

increases

b)

decreases

c)

stays the same

14.

As oceans become deeper, it gets ___________________.

a)

lighter

b)

darker

15.

The rise and fall of the ocean is caused by the gravitational pull between Earth and ____________

a)

the sun

b)

the continents

c)

the moon

d)

Jupiter

16.

The water deeper in the ocean is _________________

a)

saltier

b)

less salty

17.

Which motion of the ocean is caused by gravitational pull?

a)

currents

b)

waves

c)

tides

18.

Choose which motion(s) of the ocean is caused by wind? Choose all that apply.

a)

waves

b)

tides

c)

surface currents

d)

deep water currents

19.

_______ are all part of a food chain.

a)

animals

b)

plants

c)

animals and plants

20.

Phytoplankton, seaweeds and seagrasses are _______ in the ocean.

a)

animals

b)

plants

c)

animals and plants

21.
All energy on Earth ultimately comes from what source?
a)
Water
b)
Sun
c)
Consumers
d)
Oxygen
22.

Click on the image to make it larger-- Choose all that apply: The hawk gets energy from...

a)

mouse

b)

rabbit

c)

wildflowers

d)

snake

23.

Click on the image to make it larger--The rabbit gets energy from the ....

a)

hawk

b)

mouse

c)

wildflowers

d)

grass