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Chapter 3 Review

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

1 atmosphere is added for every ___________ in seawater

a)

20m

b)

30m

c)

10m

d)

5m

2.

As the temperature of ocean water changes from 10 to 30 degrees C becoming warmer, how does the density change?

a)

The water becomes more dense

b)

The water becomes less dense

c)

The density does not change

d)

It is impossible to predict

3.

What is the temperature, salinity, and density like at the surface zone of the ocean (top) as compared to the deep zone (bottom) of the ocean?

a)

colder temperature, more salinity, and more dense

b)

colder temperature, more salinity, and less dense

c)

warmer temperature, less salinity, and less dense

d)

Warmer temperature, less salinity, and more dense

4.

Which of the following statements are true? (Select ALL that apply)

a)

Saltwater is more dense that freshwater

b)

Freshwater is more dense than saltwater

c)

Freshwater layers below freshwater because water (H20) has more mass than salt (NaCl)

d)

Saltwater layers below freshwater because the salt molecule (NaCl) has more mass than the water molecule (H20)

5.
What happens to pressure as you go deeper into the ocean? 
a)
increases
b)
decreases
c)
stays the same
d)
doubles
6.
In addition to salinity, what factor affects the density of seawater?
a)
depth
b)
latitude
c)
temperature
d)
salt content
7.
What is the scientific name for salt? 
a)
Sodium Acetate 
b)
Sodium Chloride 
c)
Chloride sodium 
d)
Hydroxide sulfate 
8.
As we go deeper into the ocean, salinity ___________. 
a)
Doubles
b)
Decreases 
c)
Increases
d)
Remains the same 
9.
The amount of salt found in water is -
a)
temperature
b)
salinity
c)
pollution
d)
clarity
10.
As salinity  increases
a)
Density increases
b)
Density decreases
11.
Ocean depth  increases & Salinity  increases then
a)
Temperature decreases because cold water is more dense and sinks
b)
Temperature increases because cold water is more dense and sinks
12.
What increases as you get deeper into the ocean?
a)
Temperature
b)
Pressure
c)
Sunlight
d)
Marine life 
13.

The color light that penetrates deepest into the ocean is

a)

red

b)

blue

c)

purple

d)

green

14.

Sound travels __________ times faster than in the air.

a)

2.5

b)

3.5

c)

1.5

d)

4.5

15.

The salinity of water is affected mostly by the addition/removal of

a)

pure water

b)

minerals

16.

What area below will have a higher salinity?

a)

The Arctic

b)

The Bahamas

c)

The ocean surface

17.
How much of the CO2 in the atmosphere will be absorbed by the oceans?
a)
all of it
b)
1/2
c)
1/4
d)
none of it
18.
Marine organisms make their shells from calcium and
a)
chloride
b)
carbonate
c)
seawater
19.

The sharp decrease in temperature is called a

a)

halocline

b)

thermocline

c)

salinocline

d)

tempraline

20.

The average salinity of the ocean is

a)

30 ppt

b)

45 ppt

c)

40 ppt

d)

35 ppt

21.

What about the chemical structure of water causes many of the critical properties that support life on Earth?

a)

Hydrogen Bonds

b)

Cohesive behavior

c)

Polarity

d)

Expansion Upon Freezing

22.

What property of water allows for water to act as a temperature regulator for the world?

a)

Cohesive Behavior

b)

Expansion Upon Freezing

c)

High Specific Heat

d)

Universal Solvent

23.

What property of water causes these Alka-Seltzer tablets to dissolve?

a)

Universal Solvent

b)

Expansion Upon Freezing

c)

Cohesive Behavior

d)

High Specific Heat

24.

This individual is ice fishing. They cut through the top layers of ice to reach the water and fish below. What property of water allows for this to happen?

a)

Expansion Upon Freezing

b)

Universal Solvent

c)

Ability to Moderate Temperature

d)

Cohesive Behavior

25.

Why does ice stay at the top of oceans instead of sinking to the bottom? 

a)

Ice is colder than liquid water

b)

Ice is less dense than liquid water

c)

Ice is more dense than liquid water

d)

Ice is warmer than liquid water