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Marine Biology Chapter 3

Total questions: 40

Worksheet time: 26mins

Name
Class
Date
1.

Earth is the only known planet with _____ water on its surface.

a)

Solid

b)

Gas

c)

Heat

d)

Liquid

2.

What makes the water molecules different from any other substance on Earth? Also represented by the dotted lines on the image.

a)

Ionic bonds

b)

Covalent bonds

c)

Strong bonds

d)

Hydrogen bonds

3.

Why does ice float?

a)

As water freezes, it expands and its density decreases.

b)

As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.

c)

As water freezes, air becomes trapped between the hydrogen bonds of water molecules.

d)

As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.

4.

Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature. What is the reason for this phenomenon?

a)

Water is an acid.

b)

Water is a versatile solvent.

c)

Water has a high heat capacity.

d)

Water acts as a buffer.

5.
Large bodies of water help to keep nearby climates from being too hot or too cold  because they...
a)
absorb heat in the spring and slowly release that heat in the fall
b)
absorb heat in the fall and slowly release that heat in the spring
c)
absorb heat in the summer and slowly release that heat in the winter
d)
absorb heat in the winter and slowly release that heat in the summer
6.
Most of the Earth's water is in
a)
salty oceans
b)
freshwater lakes
c)
freshwater ponds
d)
glaciers
7.

Put the liquids in order from most dense to least dense?

a)

4, 3, 2, 1

b)

1, 2, 3, 4

c)

3, 4, 2, 1,

d)

4, 3, 1, 2

8.

______ causes deep ocean currents

a)

The Coriolis Effect

b)

gravity

c)

wind

d)

density differences

9.

______ causes surface currents.

a)

The Coriolis Effect

b)

gravity

c)

density differences

d)

wind

10.

Cold ocean currents generally come from

a)

The North Pole

b)

The South Pole

c)

The Equator

d)

Either Pole

11.

Warm ocean currents generally come from

a)

The North Pole

b)

The South Pole

c)

The Equator

d)

Both A and B

12.
Where does the intial source of energy come from that creates winds and thus surface currents?
a)
The moon
b)
The sun
c)
The wind
d)
The rotation of the Earth
13.

The Gulf stream carries _____________ water from the east coast of The United States to the West coast of Europe.

a)

Cold

b)

Warm

c)

Freezing

d)

Fresh

14.
Ocean currents have an affect on which two things
a)
climate and weather
b)
temperature and density
c)
land and sea
d)
equator and poles
15.

A cool current in the Pacific Ocean near North America that brings cold water down from Canada.

a)

California Current

b)

Global Conveyor Belt

c)

Gulf Stream

d)

Surface Current

16.

What is the most abundant salt in the sea?

a)

calcium chloride

b)

potassium chloride

c)

magnesium chloride

d)

sodium chloride

17.

The highest salinity would be found in which of the following areas?

a)

an area with high rates of precipitation

b)

an area with high rates of evaporation

c)

an area with plenty of runoff

d)

all of the above

18.
Two types of ocean currents are
a)
local and global
b)
sea and land
c)
surface and deep
d)
warm and cold
19.
Temperature and salinity differences in ocean water cause:
a)
Mid-ocean ridges
b)
Deep Currents
c)
Surface Currents
d)
High tide and low tide
20.

What happens to a current when it comes in contact with a continent or landmass?

a)

It continues over the continent

b)

It stops

c)

It changes direction

d)

It is absorbed by the land

21.
Due to the Coriolis Effect, water in the southern hemisphere moves
a)
clockwise
b)
counter-clockwise
c)
both
d)
neither
22.

Constantly moving system of deep-ocean circulation driven by temperature and salinity. It moves water around the globe.

a)

California Current

b)

Global Conveyor Belt

c)

Surface Currents

d)

Gulf Stream

23.
What three things affect surface currents?
a)
coriolis effect, deep currents, upwelling
b)
upwelling, continental deflections, salinity
c)
coriolis effect, continental deflections, global winds
d)
global winds, the equator, deep currents
24.
How do deep currents form?
a)
Changes in density (salinity and temp.) cause surface water to be less dense and sink
b)
Changes in surface winds cause surface water to be more dense and sink
c)
Changes in density (salinity and temp.) cause surface water to be more dense and sink
d)
Changes in density (salinity and temp.) cause surface water to be more dense and rise
25.

Explain the importance of upwelling to ocean life.

a)

brings nutrients from the deep ocean to the surface

b)

it allows animals to find new homes

c)

causes density changes that circulate temperature

d)

brings nutrients from the surface to the deep ocean

26.

Besides the Moon, the daily tides around the world are MOST affected by the

a)

wind

b)

rain

c)

Sun

d)

Coriolis effect

27.

Which of the following can be caused by El Nino~?

a)

Flash floods

b)

Mudslides

c)

Droughts

d)

All of the above

28.

What name is given to large, destructive waves caused by underwater earthquakes and volcanoes?

a)

Spring tide

b)

Longshore current

c)

Tsunami

d)

Swell

29.
Which factor is MOST responsible for the ocean tides?
a)
the wind
b)
earthquakes
c)
the moon's gravity
d)
density differences in water
30.

Why do waves increase in height as they approach the shore?

a)

waves are forced into inlets

b)

water particles speed up

c)

water density increases

d)

they interact with ocean floor

31.
What is a difference between spring and neap tides?
a)
Spring tides occur when the earth and sun are IN LINE with the new or full moon. 
b)
Spring tides occur when moon in 3rd or 1st quarter phases
c)
Spring tides are LOWER than neap tides
32.
Why does the moon have a greater effect on tides than the sun?
a)
the moon is smaller
b)
the moon is closer to Earth
c)
the sun is made up of gases
d)
the moon's craters attract water
33.

The lowest point (C) of a wave is called the ____________.

a)

crest

b)

wavelength

c)

trough

d)

wave height

34.

The highest point (D) in a wave is the ______________.

a)

crest

b)

wavelength

c)

trough

d)

wave height

35.
The difference in levels of ocean water at high and low tides is the _________________.
a)
low tide
b)
tidal range
c)
high tide
d)
slack water
36.
What type of tide will occur at 9:30 a.m.?
a)
low 
b)
high 
c)
none
d)
high and low
37.

What type of tidal pattern is displayed on the graph?

a)

Semi-diurnal

b)

Diurnal

c)

Mixed

38.

What type of tidal pattern is found in the Bay of Fundy?

a)

Semi-diurnal

b)

Diurnal

c)

Mixed

39.

All are aspects of the ocean greatly influenced by tidal patterns, EXCEPT:

a)

Fish spawning

b)

Global Winds

c)

Flow of water into bays and estuaries

d)

Exposure and submersion of rocky intertidal organisms

40.

All are factors that influence tidal patterns along the coastline, EXCEPT:

a)

Seafloor features

b)

Shape of the coastline

c)

Depth of the ocean basin

d)

Climate of the country