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Worksheets

Week One Mastery

Total questions: 40

Worksheet time: 40mins

Name
Class
Date
1.

Which ocean is the Atlantic Ocean?

A
B
C
D
E
F
2.

A water sample's salinity is a measure of

a)
the temperature of the water
b)
the pH level of the water
c)
the concentration of dissolved salts in water
d)
the amount of organic matter in the water
3.

How does the pressure of the ocean change with depth?

a)
The pressure of the ocean fluctuates randomly with depth.
b)
The pressure of the ocean remains constant with depth.
c)
The pressure of the ocean increases with depth.
d)
The pressure of the ocean decreases with depth.
4.

The epipelagic zone

a)
The epipelagic zone is where no sunlight reaches.
b)
The epipelagic zone extends from 500 to 1000 meters deep.
c)
The epipelagic zone is the deepest part of the ocean.
d)
The epipelagic zone is the upper layer of the ocean where sunlight penetrates, typically from the surface to about 200 meters deep.
5.

Which ocean layer is the epipelagic zone?

A
B
C
D
E
6.

Which ocean layer is the haddal zone?

A
B
C
D
E
7.

Which ocean layer is the abyssal one?

A
B
C
D
E
8.

Which of these is an adaptation that helps marine organisms withstand high pressure?

a)
Rigid exoskeletons
b)
Thick, heavy shells
c)
Air-filled bladders
d)
Flexible body structures or gelatinous bodies
9.

What is the primary factor that influences the density of seawater?

a)

The salinity and temperature of the water

b)

The depth of the ocean

c)

The presence of marine life

d)

The amount of sunlight

10.

Which of the following zones is known for having the highest biodiversity in the ocean?

a)

Abyssopelagic zone

b)

Bathypelagic zone

c)

Epipelagic zone

d)

Mesopelagic zone

11.

What adaptation allows deep-sea fish to produce light?

a)

Thermoregulation

b)

Camouflage

c)

Photosynthesis

d)

Bioluminescence

12.

This animal is classified as a(n)

a)

invertebrate

b)

fish

c)

mammal

d)

reptile

13.

Which ocean is located at point D?

a)

Pacific

b)

Atlantic

c)

Southern

d)

Indian

14.

Which ocean is located at point A?

a)

Arctic

b)

Southern

c)

Pacific

d)

Atlantic

15.
This fish pictured is an example of:
a)
Sessile life
b)
Benthic life
c)
Pelagic life
d)
Aphotic life
16.
Which zone supports the least amount of life?
a)
photic
b)
aphotic
c)
neritic
d)
ocean
17.

T/F: Ocean water is denser than pure water.

a)

True

b)

False

18.

______ uses sound waves to map the ocean floor.

a)

sonar

b)

drilling

c)

dredging

d)

w

19.

Nearly __ percent of Earth’s surface is covered by water.

a)

70

b)

50

c)

45

d)

15

20.

What is the correct order from the ocean surface to the ocean floor?

a)

epipelagic, mesopelagic, bathypelagic,

abyssopelagic,

hadalpelagic

b)

epipelagic,

hadalpelagic

abyssopelagic,

mesopelagic, bathypelagic,

c)

bathypelagic,

abyssopelagic,

hadalpelagic

epipelagic, mesopelagic,

d)

hadalpelagic,

abyssopelagic

bathypelagic,

mesopelagic,

epipelagic,

21.

How would you classify a sea jelly?

a)

Porifera

b)

cnidarian

c)

Mollusca

d)

Arthropoda

22.

What does SCUBA stands for?

a)

Self Controlled Underwater Breaking Apparatus

b)

Self Controlled Underwater Breathing Apparatus

c)

Self Contained Underwater Breaking Apparatus

d)

Self Contained Underwater Breathing Apparatus

23.

snow crab: what phylum?

a)

arthropoda

b)

chordata

c)

mollusca

d)

echinodermata

24.

sand dollar: what phylum?

a)

cnidaria

b)

echinodermata

c)

mollusca

d)

platyhelminthes

25.

What phylum does a clam belong to?

a)

Mollusca

b)

Arthropoda

c)

Echinodermata

d)

Chordata

e)

Annelida

26.

What phylum does a sponge belong to?

a)

Porifera

b)

Cnidaria

c)

Platyhelminthes

d)

Nematoda

e)

Annelida

27.

octopus: what phylum?

a)

arthropoda

b)

mollusca

c)

chordata

d)

cnidaria

28.

octopus: what phylum?

a)

arthropoda

b)

mollusca

c)

chordata

d)

cnidaria

29.

coral: what phylum?

a)

cnidaria

b)

echinodermata

c)

mollusca

d)

arthropoda

30.

lobster: what phylum?

a)

annelida

b)

porifera

c)

mollusca

d)

arthropoda

31.

Which climate zone is characterized by steady temperature and consistent sunlight all year long?

a)

Tropical

b)

Subtropical

c)

Temperate

d)

Polar

32.

Seasons are opposite in the northern and southern hemisphere.

a)

True

b)

False

33.

Which Climate Zone is the arrow pointing to?

a)

Polar

b)

Temperate

c)

Tropical

34.

Which Climate Zone is the arrow pointing to?

a)

Polar

b)

Temperate

c)

Tropical

35.

Which Climate Zone is the arrow pointing to?

a)

Polar

b)

Temperate

c)

Tropical

36.

Which Climate Zone is the arrow pointing to?

a)

Polar

b)

Temperate

c)

Tropical

37.

Select the ocean

a)

the Arctic Ocean

b)

the Atlantic Ocean

c)

the Indian Ocean

d)

the Pacific Ocean

e)

the Southern Ocean

38.

Select the ocean

a)

the Arctic Ocean

b)

the Atlantic Ocean

c)

the Indian Ocean

d)

the Pacific Ocean

e)

the Southern Ocean

39.

What underwater gear is shown?

a)

Scuba

b)

Snorkel

c)

Newt Suit

40.

What underwater gear is shown?

a)

Scuba

b)

Snorkel

c)

Newt Suit

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