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FCHS Oceanography Quiz 2021

Total questions: 31

Worksheet time: 18mins

Name
Class
Date
1.

Place a check next to the sources of Earth's water. Check ALL that apply.

a)

comets

b)

meteorites

c)

cooling rock

d)

water in the mantle

2.
The main difference between ocean water and lake water is that ocean water contains
a)
oxygen
b)
salt
c)
algae
d)
plants
3.
What do the arrows represent in the picture?
a)
waves
b)
currents
c)
tides
4.

Seawater is typically denser than freshwater due to its

a)

Greater depth

b)

Lower freezing point

c)

Smaller mass

d)

Higher salinity

5.
Due to the Coriolis Effect, water in the northern hemisphere moves
a)
clockwise
b)
counter clockwise
c)
both
d)
neither
6.

Which number is pointing to the continental slope?

a)

1

b)

2

c)

3

d)

4

7.
Which warm ocean current affects the climate of Virginia?
a)
Gulf Stream Current
b)
East Australian Current
c)
Pacific Current
d)
African Current
8.
Temperature and salinity affect the ______ of water.
a)
none of the other choices
b)
wave speed
c)
depth
d)
density
9.

The deepest point in the ocean is ________________________.

a)

The Abyssal Trench

b)

The Marianas Trench

c)

Sealab 2020

d)

The Nordic Chasm

10.

How much of Earth's water is the salty water of the oceans?

a)

25%

b)

50%

c)

75%

d)

97%

11.

What tool measures the salinity of ocean water?

a)

barometer

b)

psychrometer

c)

hydrometer

d)

thermometer

12.

What is the distance between wave crests called (b)?

a)

amplitude

b)

wavelength

c)

wave height

d)

frequency

13.

Which type of water is the densest?

a)

warm freshwater

b)

cold freshwater

c)

warm saltwater

d)

cold saltwater

14.

The curving of Earth's water due to the spinning of Earth on its axis is called the _______________ Effect

a)

Greenhouse

b)

Curvature

c)

Coriolis

d)

Spinning

15.

This type of current occurs when cold, nutrient-rich water rises to the surface.

a)

turbidity current

b)

upwelling current

c)

density current

d)

Charlie current

16.

This type of current can carry you parallel along the shore making it difficult to find your belongings when you emerge from the ocean and return to the beach.

a)

tsunami current

b)

rip current

c)

longshore current

d)

tidal current

17.

A dangerous current formed when a section of a sandbar is eroded. To prevent this current from sweeping you to sea you should swim parallel to shore.

a)

rip current

b)

longshore current

c)

tidal current

18.

Tides are caused by the pull of

a)

the sun on Earth's waters

b)

the moon on Earth's waters

c)

BOTH the sun and the moon on Earth's waters (buy mostly the moon)

19.

In which tide are high tides higher than normal and low tides lower than normal?

a)

spring tide

b)

neap tide

20.

True or False: We have two high tides and two low tides almost every day.

a)

true

b)

false

21.
What is letter C?
a)
Mid-Ocean Ridge
b)
Cont. Shelf
c)
Cont. Slope
d)
Abyssal Plain
22.

A shallow area of sediment near the shore...

a)

Continental Shelf

b)

Ocean Trench

c)

Continental Slope

d)

Abyssal Plain

23.

Which of these are the deepest parts of the oceans?

a)

Continental Shelf

b)

Abyssal Plain

c)

Ocean Trench

d)

Continental Rise

24.

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

a)

increases (warmer)

b)

decreases (colder)

25.

As the depth of ocean waters increases, the pressure...

a)

increases (more pressure)

b)

decreases (less pressure)

26.

What technology is used to map the ocean floor?

a)

sonar

b)

lipar

c)

electromagnetism

27.

What is the deepest known area of the ocean floor?

a)

Montezuma's Rift

b)

Marianna's Trench

c)

Marissa Cantu's Ridge

d)

Marquis Island

28.

Bob Ballard had this discovery of a new lifeform that lived off of chemicals years before he ever discovered the Titanic.

a)

tubeworms

b)

angler fish

c)

nottheanswer fish

29.

What would this ocean creature be classified as?

a)

plankton

b)

nekton

c)

benthos

d)

Mason

30.

Human activity can lead to (select all that apply)

a)

ocean acidification

b)

ocean pollution

c)

oil spills

31.

In what phases of the moon would you have a spring tide?

a)

New and full

b)

1st and 3rd quarter

c)

half and full

d)

1/3 and 2/7