The earth's structure, tectonic plates and plate boundaries

Question 1

What are the four layer of the earth called

Answer 1

Crust, mantle, outer core, inner core

Question 2

How hot is the inner core

Answer 2

5500°C

Question 3

Which plate type is heavier

Oceanic or continental

Answer 3

Oceanic

Question 4

What is the movement of plates called

Answer 4

continental drift

Question 5

What is the outer core made of

Answer 5

Liquid metal

Question 6

What is the mantle made of

Answer 6

Semi-molten rock called Magma

Question 7

What caused the movement of plates

Answer 7

Convection currents

Question 8

What are the edges of plates called

Answer 8

Plate boundaries

Question 9

What happens at a constructive plate boundary, movement wise

Answer 9

Two plates Move apart from each other

⬅️↔️➡️

Question 10

Why does magma rises to the surface

Answer 10

Because gas bubbles in the magma make it lighter than surrounding rock

Question 11

What are formed at a constructive plate boundary

Answer 11

Volcanoes

Question 12

Where are most constructive plate boundaries

Answer 12

Under the sea

Question 13

Name a famous constructive plate boundary

Answer 13

The mid Atlantic ridge

Question 14

What happens at an destructive plate boundary, movement wise

Answer 14

An oceanic and a continental plate collide

➡️➡️⬅️⬅️
↘️
↘️

Question 15

At a destructive plate boundary which plate sinks under neath the other, and why

Answer 15

The oceanic plate sinks under the continental plate because it is heavier

Question 16

What is the subduction zone

Answer 16

The heavier oceanic plate sinks under the continental plate into what is known as a subduction zone

Question 17

At a destructive plate boundary when the melted crust rises,what does this form

Answer 17

It forms dangerous, explosive volcanos

Question 18

When two plates rub together this causes friction, what does this cause

Answer 18

Earthquakes

Question 19

What is the most famous destructive plate boundary

Answer 19

The ring of fire

Question 20

Do destructive plates boundaries cause volcanos or earthquakes

Answer 20

Both, volcanos and earthquakes

Question 21

What happens at a conservative plate boundary, movement wise

Answer 21

The two plates slide past each other

➡️➡️➡️➡️➡️
⬅️⬅️⬅️⬅️⬅️

Question 22

At a conservative plate boundary if the plates get locked what happens

Answer 22

The tension will build up over years and suddenly they will jolt past each other causing a major earthquake

Question 23

True or false :

Volcano are common at conservative plate boundaries

Answer 23

False, volcano do not happen at conservative plate boundaries

Question 24

Name a famous conservative plate boundary

Answer 24

San Andreas fault

Question 25

What happens at a collision plate boundary, movement wise

Answer 25

Two continental plates push together

 ↗️↖️ ➡️➡️   ⬅️⬅️

Question 26

True or false :

at a collision plate boundary nether of the plates sink beneath the other as they are both made of light rock

Answer 26

True

Question 27

When the two plates buckle at a collision plate boundary they form what

Answer 27

Fold mountains

Question 28

True or false :

At a collision plate boundary volcanic activity does not occur

Answer 28

True

Question 29

What the most famous landform formed by a collision plate boundary

Answer 29

The Himalayas

Question 30

The is the area called where the earthquake starts

Answer 30

The focus, it is underground

Question 31

What is an epicentre

Answer 31

It is directly above the focus, on the earth surface.