Living With Tectonic Hazards - Gateway 1

Question 1

What is the core mostly made of?

Answer 1

Iron and nickel

Question 2

How thick is the inner core?

Answer 2

1200km thick

Question 3

What is the state of the matter in the core, why?

Answer 3

Solid because of the extreme pressure exerted on it by the surrounding layers.

Question 4

How thick is the outer core?

Answer 4

2100km thick

Question 5

What is the state of the matter in the mantle?

Answer 5

Liquid

Question 6

What is the temperature of the core?

Answer 6

Between 3000°C and 5000°C

Question 7

How thick is the Mantle?

Answer 7

2900km thick

Question 8

What is the Mantle made of?

Answer 8

It is made up of mostly solid rock that flows under high temperature and pressure.

Question 9

What is the temperature of the Mantle?

Answer 9

Between 800°C and 3000°C

Question 10

Where is the lithosphere?

Answer 10

It is the uppermost mantle and the overlying crust.

Question 11

What is the asthenosphere?

Answer 11

It is where high temperatures and pressure bring the rocks close enough to their melting point for them to be easily deformed.

Question 12

What are the 2 types of crust?

Answer 12

Oceanic crust and continental crust