Geo Quiz 5a Flashcards

1
Q

The maximum depth of water affected by a wave’s passage is the wave___?

A

Base

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

The engergy of waves is concentrated on points and headlands by the process of

A

Refraction

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

The circular motions of the water beneath a wave are called

A

Orbitals

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

Most beaches have the largest waves in the

A

Winter

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

The horizontal distance from one wave crest to the next crest is the

A

Wavelength

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

If you are caught in a rip current you schould

A

swim parallel to the shore

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

Tsunamis are usually caused by

A

Earthquakes

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

Upper Newport Bay and Bolsa Chica are good examples of

A

Estuaries

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

Which of the following protective measures actually increases the erosion on a beach?

A

Seawall

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

The source of the most sand on a beach is

A

Sediment carries by rivers

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

The greatest loss of sand from beaches occurs as

A

The sand flows down submarine canyons

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

Between the foreshore and the backshore of a beach you will find

A

The berm

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

In the winter beaches are

A

Composed of more mafic sand

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

A sand bar attached to the coast on one end is called

A

Spit

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

A tied island is connected to the coast by a sandbar called a

A

Tombolo

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

A coastal feature formed by erosion is

A

Sea Stack

17
Q

The steepest part of a continental margin is the

A

Continental Slope

18
Q

A sequence of rocks that is thought to be a slice of oceanic crust is called a

A

Ophiplite

19
Q

The shallowest part of an ocean basin is the

A

Continental shelf

20
Q

Which is not part of an ophiolite sequence

A

Rhyolite

21
Q

Submarine canyons are carved out by

A

Turbidity currents

22
Q

Which of these would indicate that a volcanic island is young

A

Fringing Reefs

23
Q

The site where new oceanic crust forms is

A

Mid-ocean ridges

24
Q

The turbidity currents that followed the 1929 Grand Banks Earthquake lasted over

A

10 hours

25
Q

Chemosynthetic bacteria found on mid-ocean ridges get energy by consuming

A

Hydrogen Sulfide