CDT Quiz-The layers of Earth

Question 1

What is Earth’s crust made out of?

Answer 1

Brittle rock

Question 2

How thick is the crust of the Earth?

Answer 2

5-60 km, 3-40 mi

Question 3

What is the mantle made out of?

Answer 3

Taffy-like rocks

Question 4

How thick is the mantle of the Earth?

Answer 4

2,900 km, 1,800 mi

Question 5

How thick is the core of the Earth?

Answer 5

3,500 km, 2,100 mi

Question 6

What two parts can the Earth’s core be boken into?

Answer 6

The inner core and the outter core

Question 7

What is the outter core made up of?

Answer 7

Liquid Fe&Ni

Question 8

How hot is the outer core?

Answer 8

8,000 degrees F

Question 9

What is the inner core made up of?

Answer 9

Solid Fe&Ni

Question 10

How hot is the inner core?

Answer 10

11,000 degrees F, the hottest place on Earth

Question 11

Why is the inner core solid?

Answer 11

Pressure form the overlying layers prevents atoms from moving in the inner core (they are forced to be a solid)

Question 12

What are the two tyeps of crust?

Answer 12

Oceanic and contidental

Question 13

Discribe oceanic crust

Answer 13

This crust is thin (5-10 km, 3-6 mi). It is manily made out of mafic rock (ex: basalt), density of 3.0 g/cm, makes up 70% of Earth’s crust

Question 14

Desribe continental crust

Answer 14

Thick (10-60 km, 6-40 mi), made out of felsic rock (ex: granite), has a density of 2.7g/cm, makes up 30% of the Earth’s crust

Question 15

If oceanic and continental crust collided, which would be more likely to sink under the other? Why?

Answer 15

Oceanic. This crust is much more desner than contidental and when somthing has a a high density, it sinks.