Exam 6 Pages 313-365 Ch 11-12

Question 0

Flat area on the ocean bottom

Answer 0

Plain

Question 1

A sharp drop in the sea floor beyond the Continental Shelf

Answer 1

continental slope

Question 2

Fat-topped seamounts

Answer 2

Guyots

Question 3

Underwater volcanic mountains

Answer 3

Seamounts

Question 4

The type of rock usually found in the ocean basins.

Answer 4

Basalt

Question 5

The type of rock of rock which mainly makes up the continents.

Answer 5

Granite

Question 6

Long narrow v-shaped depressions which are the deepest part of the ocean

Answer 6

Ocean trenches

Question 7

Largest mountain range on Earth

Answer 7

Mid-ocean ridge

Question 8

Covers the ocean bottom and contains mineral deposits such as phosphate rock and manganese nodules

Answer 8

Sediment

Question 9

The shallow costal waters and surface layers of deeper waters

Answer 9

Neritic province

Question 10

The era of water at the bottom of the ocean

Answer 10

Benthos

Question 11

Name 2 instruments used by scientists to study currents

Answer 11

Drogues; satellites

Question 12

Tides are mainly caused by the gravitational attraction of the

Answer 12

Moon

Question 13

Waves are caused by the gravitational attraction of the

Answer 13

Sun

Question 14

Undersea earthquakes may set in motion giant waves called

Answer 14

Tsunamis

Question 15

Each year waves erode about how much land from the coast of the USA?

Answer 15

1 foot

Question 16

In the northern Hemisphere the rotation of the earth causes currents to run in which direction?

Answer 16

Clockwise

Question 17

Name three locations in the ocean where organisms can be found living:

Answer 17

The Neritic province, benthos, deep-sea benthos

Question 18

Plankton include microscopic animals and _.

Answer 18

Plants

Question 19

Plant life in the ocean is important because ocean plants are producers of ocean foods and sources of

Answer 19

Oxygen

Question 20

What was used as an aid to navigation in the 15th century?

Answer 20

The magnetic compass

Question 21

Who asked to America in 1492

Answer 21

Christopher Columbus

Question 22

The Nansen bottle is used to collect

Answer 22

Water samples

Question 23

Crustal rock under the ocean is formed as basalt is pushed up from the

Answer 23

Mantle

Question 24

The water of the oceans may have come originally from the earth's

Answer 24

Crust

Question 25

Limestone and diatomaceous earth are what kinds of rock on the ocean floor?

Answer 25

Sedimentary

Question 26

Guyots are flat-topped seamounts under the sea. Are they volcanic ?

Answer 26

Yes

Question 27

What two islands are part of the Mid-atlantic Ridge?

Answer 27

Iceland and St. Helena

Question 28

Sulfur is mined from offshore wells by dissolving it in hot

Answer 28

Water

Question 29

Manganese nodules are formed by precipitation of dissolved

Answer 29

Minerals

Question 30

Name two other valuable metals contained in the ocean, besides cobalt, silver , and copper.

Answer 30

Gold, nickel, and silver

Question 31

What is the largest mammal that spends all of its life in water?

Answer 31

Whale

Question 32

Many fish migrate, depending on the

Answer 32

Season

Question 33

In the ocean's food web, oysters are

Answer 33

Herbivores

Question 34

The Gulf Stream is responsible for the moderate temperatures along the coast of

Answer 34

Great Britain

Question 35

The largest 2 invertebrates on the earth are the

Answer 35

Octopi and squid

Question 36

Corals are classified as

Answer 36

Animals

Question 37

Plant life in the ocean is important, because ocean plants are sources of oxygen and producers in the ocean food _.

Answer 37

Chain

Question 38

Land usually heats up more quickly than does

Answer 38

Water

Question 39

Which absorbs heat from the sun more quickly, snow covered ground, or a field of dark boulders?

Answer 39

A field of dark boulders

Question 40

Which tends to expand and rise, WARM or COLD air

Answer 40

Warm

Question 41

What kind of front resultswhen a warm air mass pushes into a cold air mass?

Answer 41

Warm front

Question 42

What weather often accompanies cold fronts?

Answer 42

Violent thunderstorms

Question 43

What weather occurs when cool air moves out from the land over water?

Answer 43

A land breeze is created .

Question 44

Name a giant puffy cloud that generally indicates fair weather.

Answer 44

Cumulus

Question 45

The discharge of electricity between large charges which have opposite charge is called

Answer 45

Lightning

Question 46

Clouds will not form without __ in the air.

Answer 46

Moisture

Question 47

The winds of a tornado tend to be concentrated in a smaller area than the winds of a

Answer 47

Hurricane

Question 48

The pattern of temperature, wind, and precipitation for a given area is its

Answer 48

Climate

Question 49

Seaweed is a type of

Answer 49

Algae

Question 50

Do vertebrates have backbones?

Answer 50

Yes

Question 51

What causes surface waves?

Answer 51

Winds

Question 52

Are tsunamis higher or lower than average waves?

Answer 52

Higher

Question 53

Name the highest part of a wave

Answer 53

Crest

Question 54

The differences in air temperature over land and over water, and the earth's rotation both affect the creation of

Answer 54

Wind

Question 55

These tend to be warmer in tropical regions than in polar regions. Maritime tend to be wetter than continental. What are they?

Answer 55

Air masses

Question 56

What happens when a Tropical Maritime air mass pushes up against a Polar Continental air mass?

Answer 56

Rain or snow falls

Question 57

The Earth's rotation causes winds to move in what direction as they blow across the US?

Answer 57

West to East

Question 58

What is evidence of the direction in which winds generally blow across the US?

Answer 58

The eastern slopes of the Rocky Mountains tend to get little rainfall, while the western slopes receive a lot of rain.

Question 59

At night in an area near a large body of water you would expect the air over the land to move in over the water, and create a

Answer 59

Land breeze

Question 60

Cloud formation depends on 2 factors in the air:

Answer 60

Humidity and temperature

Question 61

When cold air moves into an area the atmospheric pressure is high because

Answer 61

Cold air is denser than warm air

Question 62

A barometer is used to measure air

Answer 62

Pressure

Question 63

With lightning, the charge on the ground should be positive, and the charge in the cloud should be _.

Answer 63

Negative

Question 64

What are formed when a cold front pushes up against a warm front?

Answer 64

Thunderstorm

Question 65

List 2 precautions to take during a thunderstorm.

Answer 65

Stay indoors if possible. Stay away from trees. Avoid using telephones.

Question 66

How does a hurricane differ from a tornado?

Answer 66

The winds of a tornado are concentrated in a smaller area.

Question 67

The climate of an area is its average weather conditions over a period of

Answer 67

Time

Question 68

Compared to large land masses at the same latitude, islands tend to have more moderate climates with small variations in

Answer 68

Temperature

Question 69

Most of our water comes originally from evaporation of

Answer 69

Ocean water