Earth Science Chapter 25 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is a characteristic of the Antarctic bottom water?

A

High density

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Waves strike the coastline head on instead of at an angle as a result of what?

A

Refraction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A vast area of calm, warm water in them North Atlantic is the what

A

Sargasso Sea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Two identical points on consecutive waves pass a given point in one what?

A

Wave period

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Factors that determine the size of a wave are wind speed, fetch and what

A

The length of time the wind blows

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the distance that wind blows across an area across the sea to generate waves

A

Fetch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the major cause of tides

A

the gravitational pull of the moon on earth and its waters

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The title current that flows toward the ocean is called what

A

Ebtide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Deep currents are caused by what

A

Differences in density of ocean water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The highest point of a wave is its what

The lowest wave is the

A

Crest

trough

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The force that causes tides is what

A

Gravity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The word for the curving of the paths for ocean currents and winds due to earth rotation is what?

A

Coroilis effect

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The affect of wind energy on waves is what

A

It makes waves larger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Why are sandbars formed

A

Longshore currents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Very large waves are usually the result of what

A

A long fetch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Three factors that affect surface currents are what

A

Earth’s rotation, air, and the location of the continents

17
Q

caused by an earthquake on the ocean floor, a volcanic eruption, or an underwater landslide

A

Tsunami

18
Q

horizontal movement of ocean water near or at the surface, caused by wind

A

Surface current

19
Q

occurs in water as a periodic up-and-down movement

A

Wave

20
Q

forms when the top of a wave topples over

A

Breaker

21
Q

Which of the following causes gyres to form?

A

Coriolis effect

22
Q

forms when winds blow off the crest of a wave

A

Whitecap

23
Q

tide that occurs during the full moon and new moon

A

Spring tide

24
Q

huge circles of moving water

A

Gyre

25
Q

movement of water toward and away from the coast

A

Tidal current

26
Q

the difference of levels of ocean water at high tide

A

Tidal range

27
Q

the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

A

Wave length

28
Q

the lowest point between two crests

A

Trough

29
Q

the state of the tide when it is turning, especially at low tide. Ebtide Napat tide

A

Slack water

30
Q

Which of the following factors does not control the movement of surface currents

A

Salinity

31
Q

As water carried onto a beach by breaking waves is pulled back to deeper water and an irregular wave is formed is what

A

Underto

32
Q

If high tide is at four p.m today what time will hytide be tomorrow

A

4:50

33
Q

Which of the following of water of large breakers returns to the ocean of channels that cut through sandbars

A

Rift current