Geography Test Study Flashcards

1
Q

Name the seven major plates

A

Eurasian plate, African plate, North-American plate, South-American plate, Nazca plate, Pacific plate and Indo-Australian plate

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

Name the four layers of the Earth

A

Crust, Mantle, Outer core, Inner Core,

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

What plate boundary is it when plates collide

A

Destructive plate boundary

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

What boundary is where plates separate

A

Constructive plate boundary

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

How does the magma come up to the earths surface.

A

Through a vent

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

Where is the magma kept before it explodes from the volcano

A

Magma chamber

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

What do volcanologists use to measure the force of the eruption

A

( VEI ) volcanic Explosity index

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

What is the point inside the earths crust where the earthquake starts called

A

Focus

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

What is the name of the shock waves that travel out from the focus called

A

Tremors

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

What is the place on the earths surface direct,y above the focus called

A

Epicentre

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

What are the little or big earthquakes called after the main earthquake

A

Aftershocks

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

What is the name of where 70% of all earthquakes take place

A

The Pacific Ring Of Fire

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

Name two economical and environmental impact of 1980 mt St Helens

A

Economical = 57 people died and hundreds of people lost their home and were left without a job

Environmental impacts = 150 new lakes were formed and existing lakes flooded their banks

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

Write out the three stages of a volcanoes life

A

Active
Dormant
Extinct

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