Science test #2 Flashcards

(61 cards)

1
Q

Support for Wegener’s hypothesis of continental drift includes evidence of changes in

A

Fossils

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

What is the location of an Earthquake on earth’s surface

A

Epicenter

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

New ocean floor is constantly being produced through the process known as

A

Seafloor spreading

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

Scientists discovered oceanic rock to be

A

Younger than continental rocks

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

The hypothesis of continental drift was rejected by scientists because

A

Evidence didn’t show they waved

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

Vibrations of an earthquake are caused by

A

Tectonic plates colliding, scraping, or moving away from each other.

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

The german scientist Alfred Wegener proposed the existence of a huge landmass called

A

Pangea

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

Earth’s magnetic poles shift every few thousand years causes

A

Paleomagnetism in rocks

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

The outer most layer of earth is the

A

lithosphere

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

Lens shaped feature that forms close to the surface

A

Laccoliths

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

The theory of plate tectonics says that plates move because of

A

Convection Currents

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

All plates float on the

A

Asthenosphere

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

The location of an earthquake beneath earth’s surface

A

Focus

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

An underwater mountain chain formed from seafloor spreading is called a

A

Mid-ocean ridge

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

The alternating pattern of normal and reverse polarity rocks proves

A

Continental Drift

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

Tool used to measure earthquakes

A

Seismograph

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

What is the first waves to arrive after an earthquake

A

P-waves

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

The three biggest factors in earthquake damage are fires, landslides and

A

Buildings collapsing

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

A group of adjacent mountains

A

Mountain Range

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

A natural elevation of earth’s surface

A

Mountain

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

_ to _ Collisions that produce volcanic islands arcs

A

Oceanic to Oceanic

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

An earthquake location can be found by

A

Using 3 seismographs

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

Collisions that produce continental volcanic arcs

A

Oceanic to Continental

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

Lava that resembles long, braided ropes

A

Pahoehoe lava

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Flat mountains formed when thick layers are uplifted
Plateaus
17
Large masses of igneous rocks formed when magma oozed deep beneath the surface, must be greater than 100km.
Batholics
17
High mountains formed when continents collide
Folded mountains
17
Volcanic mountain formed when lava cools before reaching the surface
Dome
17
Adjacent mountain ranges
Mountain System
17
Boundary where two plates move away from each other.
Divergent Boundary
17
Boundary where to plates move toward each other
Convergent Boundary
17
Boundary where two plates move past each other
Transform Fault Boundary
18
Slow waves that cannot travel through liquids
S-waves
19
Area where oceanic plates meet continental plates
Subduction Zone
20
The measure of the thickness of a liquid
Viscosity
21
Area that forms along a divergent boundary
Rift Valley
22
Long valley formed when blocks slip downward
Graben Valley
23
Divergent boundaries make
New Oceans
24
Boundary that forms uplift mountains
Convergent Boundary
25
Large mountain systems are called
Mountain Belt
26
One plate going beneath another plate causes
Subduction
27
Boundary that causes earthquakes
Transform fault boundary
28
Force that moves magma up a volcano
Gasses expanding
29
Viscous magma produces
More violent eruptions
30
Ash, dust, and other particles that erupt out of a volcano
Pyroclastic materials
31
Scale used to measure earthquakes that records the highest wave
Richter scale
32
Broad, gently, sloping volcanoes with calm, slow eruptions
Shield Volcano
33
Steep sloped volcano made of pyroclastic materials
Cinder cone
34
Opening at the top of volcanoes formed by collapse
Calderas
35
Intrusive igneous features
Dikes
36
What happened when continents once formed a single landmass that broke apart and pieces moved to their present location
Continental drift
37
Layer of earth below the lithosphere
Asthenosphere
38
Mountains formed where earth's crust has been broken into large blocks then lifted and tilted
Fault-Block mountains
39
Volcano formed when plates move across areas of hot magma
Hotspot volcano
40
What is the __ to ___ on the boundaries that can cause subduction
Oceanic to Continental
41
Scale that measures how much material is moved or displaced in an earthquake
Momentum magnitude scale
42
Liquid rock beneath earth's surface
Magma
43
Column shaped features that form when magma is close to the surface
Sills
44
Narrow valley at the center of diverging boundaries
Rift valley
45
Recorded measurements of an earthquake
Seismogram
46
Tall, broad-based volcano built from alternating of lava and pyroclastic material
Composite Volcano