Brainscape's Knowledge GenomeTM

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


See full index

Volcanoes > Volcano Study Guide > Flashcards

Volcano Study Guide Flashcards

1
Q

A volcano that is erupting, or showing signs it will erupt soon

A

Active

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

A currently quiet volcano expected to erupt in the future

A

Dormant

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

Volcano never expected to erupt again

A

Extinct

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

Hot, melted rock material on Earth’s surface

A

Lava

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

Hot, melted rock material beneath Earth’s surface

A

Magma

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

Avalanche of hot ash, rock fragments and gas

A

Pyroclastic flow

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

Instrument that records earthquakes

A

Seismograph

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

Instrument used to measure the slope of a volcano’s side

A

Tiltmeter

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

Opening in the Earth’s crust through which magma and gases can escape

A

Vent

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

Vent and cone of material built around it by previous eruptions

A

Volcano

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

Type of volcano with a broad base and gently sloping sides

A

Shield

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

Type of volcano with a small base and steep sides

A

Cinder cone

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

Type of volcano with a broad base and steep sides near the top

A

Composite

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

Type of eruption that creates a shield volcano

A

Non-explosive or quiet

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

Type of eruption that creates cinder cone volcanoes

A

Explosive or violent

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

Type of eruption that creates composite volcanoes

A

Both explosive and non-explosive

17
Q

Fast moving lava with a rough jagged surface

A

Aa

18
Q

Very thick, very slow moving lava creating jumbled heaps with sharp edges

A

Blocky

19
Q

Medium speed lava with smooth and rounded wrinkles

A

Pahoehoe

20
Q

Underwater lava flow with a lumpy appearance

A

Pillow lava

21
Q

Large solid chunk of rock blasted from the volcano

A

Volcanic block

22
Q

Blob of magma that hardens in the air

A

Volcanic bomb

23
Q

Pebble sized bits of magma which hardened in the air

A

Lapilli

24
Q

Teeny tiny bits of rock and minerals, the smallest piece of pyroclastic material

A

Ash

25
Q

The cause of most volcanoes

A

Plate tectonics

Volcanoes (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions