Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

general earth science lab > Exam 2 > Flashcards

Exam 2 Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

P-waves move faster than S-waves (true or false)

A

true

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

Tsunamis are cased by earthquakes.

True

False

A

true

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

The deepest earthquakes occur along subduction zones at convergent plate boundaries.

True

False

A

true

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

What plate converges with the South American plate to produce the Andes Mountains along the west side of South America?

Eurasian

Australian-Indian

Nova Scotia

Nazca

A

Nazca

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

The Andes Mountains occur along this type of plate boundary.

divergent-continental

convergent

transform

divergent-oceanic

A

convergent

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

Mid-ocean ridges occur where plates are converging toward one another.

True

False

A

false

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

S-waves are the first to arrive at a seismic station.

True

False

A

false

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

What type of earthquake waves are responsible for the most damage?

p-waves

radio waves

s-waves

surface waves

A

surface waves

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

S-waves can travel through both liquids and solids.

True

False

A

flase

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

Earthquake energy begins at this point along a fault.

epicenter

tsunami

seismic spot

focus

A

focus

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

The geologic time scale is not helpful for sedimentary rocks.

True

False

A

false

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

Daughter isotopes are radioactive and cause parent isotopes to decay.

True

False

A

false

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

The _____ soil horizon consists primarily of organic matter, called “humus”.

A

O

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

An erosional boundary with igneous or metamorphic rocks below and sedimentary rocks above is known as……

none of these three

angular unconformity

disconformity

nonconformity

A

nonconformity

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

How many atoms of a radioactive isotope remain after 4 half lives it you start with 2000 atoms?

1000

125

500

250

A

125

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

When determining the relative age of an undeformed sequence of sedimentary rock, you can use this rule to note that older rocks are below younger rocks.

Law of original
horizontality

Principle of inclusions

Principle of cross-cutting
relationships

Law of superposition

A

law of superposition

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

The _____ soil horizon is a zone of accumulation of minerals from the horizons above.

A

C

O

B

A

B

14
Q

Calculate the number of half lives if you have 7500 atoms of the daughter and 2500 atoms of the parent.

None of these.

2

3

4

A

2

15
Q

The true soil includes all of the following horizons EXCEPT

O

A

C

B

A

C

16
Q

Absolute ages are calculated using information about radioactive isotopes and stable isotopes produced from their decay.

True

False

A

true

17
Q

The slope (or gradient) of a stream can be determined from a topographic map.

True

False

A

true

18
Q

Cut banks form along a river because _______.

the river is downcutting
to reach its base level

the water is moving slower on the inside of a meander, causing erosion

the water is moving faster around the outside of a meander, causing erosion

the water is moving over a waterfall

A

the water is moving faster around the outside of a meander, causing erosion

19
Q

This feature is found on the outside of a meander where erosion is the dominant process.

cut bank

floodplain

point bar

natural levee

A

cut bank

20
Q

When a river floods and water leaves the channel, its velocity ________.

decreases

increases

stays the same

No answer text provided.

A

decreases

21
Q

A mountain peak that has been carved by glaciers is know as a horn.

True

False

A

true

22
Q

Urbanized areas (and areas downstream from them) are more susceptible to flooding due to ________ in those areas.

higher precipitation
rates

higher runoff rates

lower runoff rates

lower water velocities

A

higher runoff rates

23
Q

How does the cross-sectional area of a stream change when the stream floods?

increases

decreases

remains the same

A

increases

24
Q

A stream with a well-developed floodplain, oxbow lakes, and yazoo tributaries would be considered

old age

mature

youthful

immature

A

old age

25
Q

Drumlins are erosional features where the direction of ice movement is perpendicular to the long axis.

True

False

A

false

26
Q

Which one of the following is NOT a depositional feature found along coastlines?

sea arch

barrier island

spit

baymouth bar

A

sea arch

27
Q

An accretionary wedge is most commonly found at a passive continental margin.

True

False

A

false

28
Q

The wave base depends on the wavelength.

True

False

A

true

29
Q

As a wave approaches land, its wavelength _________.

decreases

increases

stays the same

No answer text
provided.

A

decreases

30
Q

How would you recognize a cold ocean current on a map of ocean circulation?

They are indicated by
blue lines.

The direction of the
current comes from
higher latitudes to lower
latitudes.

The direction the arrow
points.

The moderate climates
such as in southern
California.

A

they are indicated by blue lines

31
Q

Which one of the following is NOT a depositional feature found along coastlines?

sea arch

barrier island

spit

baymouth bar

A

sea arch

32
Q

Active continental margins are common in the Atlantic Ocean.

no

yes

A

no

33
Q

If the wavelength is 2.2 meters, the wave base is _________ meters.

1.1

2.2

3.3

4.4

A

1.1

34
Q

What happens to a wave as it approaches the shoreline?

All of the answers

wavelength decreases

wave height increases

particle movement
becomes elliptical

A

all of the answers

35
Q

The deepest locations in the ocean are deep ocean trenches.

Yes

No

A

yes

36
Q

In what ocean are the most deep-ocean trenches located?

Pacific

Arctic

Atlantic

Indian

A

pacific

general earth science lab (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions