Ocean Review

Question 1

What factors influence the density of the ocean water?

Answer 1

Temperature and salinity

Question 2

The densest water is found in the

Answer 2

Arctic regions

Question 3

The movement of water from greatest depths up to the surface is called

Answer 3

Upwelling

Question 4

A measure of saltiness of water is known as

Answer 4

Salinity

Question 5

A mass of moving water is a

Answer 5

Current

Question 6

What causes surface currents?

Answer 6

Winds, continents, uneven Heating of the earth

Question 7

Deep ocean currents are caused by differences —————- rather than——-

Answer 7

Temperature and winds

Question 8

What do surface currents carry away from the equator?

Answer 8

Warm water that helps heat up areas

Question 9

In what direction does water move in upwellings?

Answer 9

Up from the bottom of ocean to surface

Question 10

What causes an upwelling and what is the benefit of an upwelling?

Answer 10

It brings up nutrients from the bottom of the ocean which allows fish to eat food

Question 11

What kind of current is the Gulf Stream? Why is this current so famous and important?

Answer 11

Warm water current. It goes from the U.S. across the ocean and provides heat for United Kingdom.

Question 12

What do ocean waves transport?

Answer 12

Energy and nutrients

Question 13

How is heat carried around the globe?

Answer 13

Surface currents

Question 14

What happens to ocean temperatures as you increase depth?

Answer 14

Pressure increases and temperature decreases

Question 15

The periodic rising and falling of the ocean water is called

Answer 15

Tides

Question 16

————— occurs when high winds or waves cause a larger than usual amount of water to wash back from the shore

Answer 16

Storm surge

Question 17

What does a wave have?

Answer 17

Wavelength, crest through, and height

Question 18

Two causes of currents in the ocean are —— and———————

Answer 18

Winds and Coriolis effect

Question 19

What are the three types of technology used for exploring the ocean?

Answer 19

Submersible, sonar, and satellites

Question 20

What are the names of the five oceans?

Answer 20

Atlantic, pacific, arctic, Indian, and southern

Question 21

The largest ocean is

Answer 21

Pacific Ocean

Question 22

The second largest ocean is

Answer 22

Atlantic Ocean

Question 23

What are the two coldest oceans?

Answer 23

Arctic Ocean and southern ocean

Question 24

When waves approach the shore the wavelength ———— and the height————

Answer 24

Shortens and increases

Question 25

What are tsunamis? Where do they occur?

Answer 25

They’re giant waves that are caused by earthquakes and volcanoes. They occur in the Pacific Ocean ring of fire.

Question 26

What is beach erosion? How can it be prevented?

Answer 26

Waves coming and pulling the sand out to sea. Make groins out of sand.