Earth

Question 1

What is a solar system?

Answer 1

A sun, planets, moons, and other objects.

Question 2

What was the interior of the proto earth like?

Answer 2

It heated up and became soft.

Question 3

How did the core differentiate?

Answer 3

Into an Iron/ Nickle core and a stony mantel.

Question 4

What are the two kinds of crust?

Answer 4

Ocean and Continental

Question 5

What are the two parts of the mantel?

Answer 5

Upper
Lower

Question 6

What are the two parts of the core?

Answer 6

Inner and Outer

Question 7

The Mohorovicic discontinuity marks the what of the crust?

Answer 7

The base

Question 8

What is continental crust mostly made out of?

Answer 8

Granite

Question 9

What is ocean crust mostly made out of?

Answer 9

Basalt

Question 10

Which of the two crusts is denser?

Answer 10

Ocean crust

Question 11

How are mountain belts formed?

Answer 11

related to tectonic processes

Question 12

Are mountain belts young or old?

Answer 12

Young the have not had much erosion

Question 13

What are shields?

Answer 13

the relatively flat centners of continents.

Question 14

Are shields young or old?

Answer 14

Shields are old because they have been eroded.

Question 15

Where is the new ocean crust formed?

Answer 15

Ocean ridges

Question 16

What are trenches?

Answer 16

Areas of subduction where ocean crust is consumed (active areas of tectonically and volcanically)

Question 17

What is the Earth’s mantel?

Answer 17

The rock layer between the crust and the core.

Question 18

What are the two components of the upper mantle?

Answer 18

Lithosphere
Asthenosphere

Question 19

What is the Lithosphere?

Answer 19

The ridged outer layer of Earth that extends slightly into the mantle.

Question 20

What is the Asthenosphere?

Answer 20

Low strength layer of Earth below the Lithosphere.

Question 21

What is the Mesosphere?

Answer 21

The lower mantle is where rocks are very hot and capable of gradual flow.

Question 22

The outer core is…?

Answer 22

A liquid

Question 23

What does the outer core generate?

Answer 23

A convective flow within generates Earth’s magnetic field.

Question 24

What are the requirements to produce Earth’s magnetic field?

Answer 24

It can conduct electricity and is mobile.

Question 25

What does the magnetic field protect us from?

Answer 25

Incoming solar radiation, including harmful UV rays

Question 26

The inner core is a …..?

Answer 26

Solid

Question 27

How do we measure what is inside the earth?

Answer 27

seismic waves