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Properties of Seawater Review

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

This states that the ions dissolved in seawater are found in the same proportions everywhere in the world.

a)

Rule of Constant Proportions

b)

Rule of Acidification

c)

Rule of Adhesion

d)

Rule of Solubility

2.

Over time, the oceans have decreased in pH. This process is known as

a)

cohesion

b)

viscosity

c)

ocean acidification

d)

salinity

3.

The amount of salt dissolved in sewater is

a)

acidification

b)

salinity

c)

cohesion

d)

adhesion

4.

When water sticks to substances other than water

a)

adhesion

b)

cohesion

c)

salinity

d)

acidification

5.

Water molecules stick to other water molecules

a)

cohesion

b)

adhesion

c)

salinity

d)

solubility

6.

Materials that are dissolved in seawater

a)

acids

b)

salts

c)

solutes

7.

How does transparency help photosynthetic organisms?

a)

Light is blocked, protecting photosynthetic organisms.

b)

Light can pass through the water, allowing photosynthetic organisms to make their food.

c)

Light can pass through, allowing photosynthetic organisms to hunt for food.

d)

Light is blocked, allowing photosynthetic organisms to rest.

8.

What happens to pressure the deeper into the ocean you go?

a)

it increases

b)

it decreases

9.

Why does sound travel faster in water than in air?

a)

Water has more solutes in it than air.

b)

Water is less dense than air.

c)

Water is more dense than air.

d)

Water has more space than air.

10.

What happens to the density of the seawater as temperature decreases?

a)

it increases

b)

it decreases

11.

The color of light that is least absorbed by the ocean is

a)

red

b)

orange

c)

green

d)

blue

12.

Which two solutes make up the largest percentage of dissolved material in seawater?

a)

sodium, sulfate

b)

sodium, chloride

c)

oxygen, chloride

d)

chloride, magnesium

13.

Ocean acidification affects organisms most with structures made of

a)

calcium carbonate

b)

silica

c)

collagen

d)

phosphorous

14.

Which process can remove pure water from seawater?

a)

increasing temperature

b)

increasing salinity

c)

evaporation

d)

precipitation

15.

The three most abundant gases dissolved in seawater are

a)

hydrogen, chloride, carbon

b)

carbon, chloride, oxygen

c)

carbon dioxide, nitrogen, magnesium

d)

nitrogen, carbon dioxide, oxygen

16.

True/False: The temperature of the ocean does not fluctuate as much as the temperature of air.

a)

True

b)

False

17.

Marine organisms will almost never experience temperatures greater than

a)

15 C

b)

30 C

c)

25 C

d)

40 C

18.

The ocean absorbs about 30% of the _____ released into the atmosphere.

a)

carbon dioxide

b)

oxygen

c)

nitrogen

d)

helium