Question 13 (1 point) What is salinity?

Lesson 2.05

Question 13 options:

a liquid mixture in which the smaller component (solute) is distributed evenly through the major component (solvent)

to become incorporated with a liquid in forming a solution

the total amount of sodium dissolved in the ocean

The concentration of dissolved salt in any liquid

Question 14 (1 point)
What does evaporation do to salinity?

Lesson 2.05

Question 14 options:

evaporation does not impact salinity

water molecules (H20) absorb energy

where there are higher levels of water evaporation, the water has greater salinity

warmer water molecules move farther apart

Question 15 (1 point)
During the summer months, glaciers at the poles melt, delivering fresh water to the ocean. What does this do to salinity?

Lesson 2.05

Question 15 options:

lowers salinity

it does not change the salinity

raises salinity

Question 16 (1 point)
Look at the graph. What happens to ocean water temperatures as you go deeper under the ocean?

Lesson 2.06

Water temperatures drop dramatically as you move further down beneath the thermocline.

Question 16 options:

the temperatures drop

the temperatures increase

the temperature does not change

Question 17 (1 point)
What is density?

Lesson 2.07

Question 17 options:

the weight of water

a measure of salinity

the amount of molecules in a specific volume (space)

the amount of salt in water

Question 18 (1 point)
As the amount of salt in water increases, the of the water increases.

Lesson 2.07

Question 18 options:

temperature

size

humidity

density

Question 19 (1 point)
Deep, cold water is the .

Warm, shallow water is the .

Lesson 2.07

Question 19 options:

densest; densest

least dense; densest

densest; least dense

least dense; least dense

Question 20 (1 point)
Which layer of the ocean is the least dense?

Lesson 2.07

Question 20 options:

water in the middle layer

water closest to the ocean floor

water closest to the surface

they are all the same

Question 21 (1 point)
What is the main cause of surface ocean water circulation (movement)?

Lesson 2.09

Question 21 options:

temperature

salinity

density

winds

Question 22 (1 point)
What causes Earth’s major wind patterns?

Lesson 2.09

The Seasons | Astronomy

Question 22 options:

The density of ocean water changed wind patterns

The Earth is spinning

The latitudes of different areas

Radiant energy from the sun strikes Earth unevenly.

Question 23 (1 point)
How are ocean waves formed?

Lesson 2.13

Question 23 options:

convection

conduction

gravity

energy transfer

Question 24 (1 point)
The waves energy runs through water molecules, but they do not move the water molecules in the direction of the waves.

Lesson 2.13

Question 24 options:
True
False
Question 25 (1 point)
How do water particles in an ocean wave move?

Lesson 2.13

Question 25 options:

in a circular motion

back and forth

up and down

from one side to the other

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