wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Zones of the Ocean

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

In what zone does approximately 90% of all ocean life live?

a)

Photic

b)

Disphotic

c)

Aphotic

2.
The sunlight zone is also known as the __________________________ zone.
a)
hot
b)
bright
c)
happy
d)
euphotic
3.
As oceans become deeper, the water pressure ___________________.
a)
increases
b)
decreases
c)
stays the same
4.

90% of the ocean belongs in this ocean layer. What is it?

a)

Photic

b)

Disphotic

c)

Aphotic

5.
The midnight zone is also known as the __________________ zone.
a)
frozen
b)
aphotic
c)
frightening
d)
dark
6.
Which zone has the warmest water temperature?
a)
sunlight
b)
twilight
c)
midnight
7.
Which zone is completely dark and near freezing in temperature?
a)
sunlight
b)
twilight
c)
midnight
8.
The ocean layers are divided by the amount of __________________ in each layer.
a)
animals
b)
salt
c)
light
d)
people
9.

There’s very little life, immense pressure and absolutely no sunlight in this zone. Name it.

a)

Photic

b)

twilight

c)

midnight

10.
As you move deeper into the water temperature, pressure and salt content change.
a)
true
b)
false
11.
Sunlight allows ________________ to occur in the sunlight zone.
a)
bioluminesence
b)
transpiration
c)
photosynthesis
d)
voting
12.

TRUE OR FALSE.

In the ocean, the depth of water determines whether photosynthesis is possible or not.

a)

TRUE

b)

FALSE.

13.

According to the depth of the water, the temperature is changing. So the deeper you go in the sea, the waters gets:

a)

warmer.

b)

conserves the same temperature.

c)

colder.

d)

equal in temperature.

14.

The Benthic Zone is also called the "_________ _______".

(a)  

15.

What is the MAIN reason humans cannot dive down into the deep ocean waters?

a)

The Pressure is too Intense

b)

The Water is too Salty

c)

The Temperature is too Low

d)

The Dark is too Scary!