Earth's Interior

Question 1

What is the Earth’s hard surface made of?

Answer 1

granite

Question 2

Does the Earth look the same today as it did millions of years ago?

Answer 2

no

Question 3

What is the study of the Earth called?

Answer 3

Geology

Question 4

What is the difference between constructive ad destructive forces?

Answer 4

Constructive forces build up

destructive forces destroy the Earth

Question 5

The Earth’s interior is divided into crust, mantle and core based upon what?

Answer 5

structure

Question 6

what makes up most of the Earth’s crust?

Answer 6

basalt

Question 7

What layer is directly below the crust?

Answer 7

mantle

Question 8

two examples of constructive forces

Answer 8

mountains, rivers

Question 9

two examples of destructive forces

Answer 9

volcanoes, earthquakes

Question 10

what is xenolith

Answer 10

piece of rock with igneous

Question 11

what is the deepest hole that humans have dug?

Answer 11

kola borhole

Question 12

what is the deepest cave that humans have explored

Answer 12

krubera

Question 13

how are seismic waves produced

Answer 13

.

Question 14

how do seismic waves help geologists learn about the Earth?

Answer 14

.

Question 15

name the 3 main layers of the Earth

Answer 15

crust, mantle, and core

Question 16

name the layers of the Earth starting at the outside

Answer 16

oceanic crust

mantle
outer core
inner core

Question 17

name five ways the layers of Earth differ

Answer 17

1.what they are made of
2.what is in it
3.
4.
5.

Question 18

what happens to temperature, pressure and density as you travel deeper into the Earth

Answer 18

They increase

Question 19

Why is the core hot?

Answer 19

.

Question 20

What are two types of crust?

Answer 20

oceanic and continental

Question 21

continental crust is made of what?

Answer 21

granite

Question 22

what is oceanic crust made of?

Answer 22

basalt

Question 23

How can you tell the different between granite and basalt?

Answer 23

.

Question 24

What is the Earths largest layer?

Answer 24

mantle

Question 25

What are the 3 parts that the mantle can be broken into?

Answer 25

lithosphere mesosphere asthenosphere

Question 26

How thick is the lithosphere

Answer 26

0-100 km

Question 27

What is the difference in material of the asthenosphere and the lithosphere

Answer 27

asthenosphere is hotter and under more pressure | lithosphere is cooler and more rigid (breakable)

Question 28

Why do scientist consider the core two parts?

Answer 28

part is solid and part is liquid

Question 29

Why is the inner core solid when it is hotter than the outer core?

Answer 29

.

Question 30

How is the Earth's magnetic field produced?

Answer 30

.

Question 31

The Earth was once all melted material. Why did it separate into layers?

Answer 31

magnetic field

Question 32

Compare Earth's layer to a hard boiled egg

Answer 32

shell-crust whites mantle yolk-core