Volcano And Earthquakes Vocab Flashcards

0
Q

Conservative boundary

A

Where two tectonic plates slide past each other, but where crust is neither formed or destroyed

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

Collision boundary

A

Where continental plates collide

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

Constructive boundary

A

Where two tectonic plates move apart from each other and new crust is formed

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

Continent

A

A large land mass

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

Core

A

The centre of earth

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

Crust

A

The thin outer layer of solid rock round the earth surface

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

Destructive boundary

A

Where an oceanic plate slides underneath a continental plate or another oceanic plate

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

Dormant

A

Inactive

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

Epicentre

A

The point on the earth surface directly above the focus of an earthquake

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

Equator

A

The imaginary line running round the middle of the earth

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

Extinct

A

No longer in existence: (of animals)

No longer active (volcano)

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

Fault

A

A line of weakness in rock

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

Focus

A

The point underground where the energy of an earthquake is released

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

Foreshock

A

A small earthquake before a large one

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

Geothermal energy

A

Heat and electricity produced from hot, underground water

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

Joint

A

A crack in the rock

16
Q

Lava

A

Molten rock at the Earth’s surface

17
Q

Lahar

A

Mudflow triggered by a volcanic eruption

18
Q

LEDC

A

Less economically developed country

19
Q

MEDC

A

More economically developed country

20
Q

Magma

A

Molten rock beneath the earths crust

21
Q

Mantle

A

The semi-solid mass of rock beneath the Earth’s crust

22
Q

Percentage

A

The number out of 100

23
Q

Plate boundry

A

The point where two tectonic plates meet

24
Q

Plate tectonics

A

The theory explaining how the earths crust is able to move

25
Q

Pyroclastic flow

A

A cloud of superheated gas and ash ejected from a volcano

26
Q

Raw material

A

Mineral and agricultural resources which can be processed to make something else

27
Q

Seismic wave

A

A shock wave produced by earthquakes

28
Q

Seismometer

A

A sensitive instrument use to measure earthquakes

29
Q

Tectonic plate

A

A large, rigid section of the earths crust

30
Q

Tsunami

A

A sea wave caused by earthquakes and volcanic eruptions

31
Q

Vegetation

A

Trees, shubs and plants

32
Q

Volcanic bomb

A

Lava exploded into the air which solidifies as it falls