Earth Layers

Question 1

When the solar system formed, where is most of the material that’s not in the sun? In the:

Answer 1

Gas Giants

Question 2

What is the scientific term of the process for when things are pulled together—becoming larger?

Answer 2

Accretion

Question 3

What force brought together small dust and gas particles?

Answer 3

Static Electricity

Question 4

What force brought together large particles like rocks?

Answer 4

Gravity

Question 5

The early hot earth allowed metal to sink into the core. This gave the earth a?

Answer 5

Magnetic field

Question 6

This protects us from deadly “stuff” that comes from where?

Answer 6

The sun

Question 7

Name the object that smashed into the earth when it was still forming?

Answer 7

Theia

Question 8

The pieces from the previous answer eventually formed the what?

Answer 8

The moon

Question 9

The sci theory that the Earth’s outer layer is made out of individual floating “chunks”

Answer 9

Plate tectonics

Question 10

Who came up with the previous theory but was not able to convince other scientists?

Answer 10

Alfred Wagner

Question 11

Another scientist proved the above scientist correct by looking at maps- who proved it?

Answer 11

Marie Tharp

Question 12

Where on earth did the second scientists maps to prove the first scientist correct?

Answer 12

Atlantic Ocean

Question 13

This specific land area is now scientifically named the?

Answer 13

Mid Atlantic Ridge

Question 14

What type of land formation would you actually see if you were to to visit the previous locations?

Answer 14

Ridge

Question 15

The 2nd scientist matched their map to a 3rd scientists map who found WHAT in the same place?

Answer 15

Earthquakes

Question 16

What technology from WW2 was used to create the maps these scientists were looking at?

Answer 16

Sonar

Question 17

Scientists refer to one large single landmass of ALL the Earths land as?

Answer 17

Super continent

Question 18

The first scientist we learned about, named this first, large, single landmass what?

Answer 18

Pangea

Question 19

If the 2 less dense plates move towards each other they will make?

Answer 19

Mountains

Question 20

If two of the MORE dense plates move towards each other they will create what?

Answer 20

Trench

Question 21

What process (not object-not material-not layer) inside Earth is actually moving the plate.

Answer 21

Convection

Question 22

The Earths corre has changed directions, the sci evidence on the ocean floor is called?

Answer 22

Magnetic Striping

Question 23

When two plates slips next to (beside) each other it is called?

Answer 23

Slip fault

Question 24

The scientific result of of two plates sliding next to each other is?

Answer 24

Earthquakes

Question 25

Where in the real world is an example of the above answer happening? (Earthquakes b/c of slipfault)

Answer 25

California

Question 26

Two plates that are moving towards each other are called what kind of boundary?

Answer 26

Convergent

Question 27

Two plates that are moving away from each other are called what kind of boundary?

Answer 27

Divergent

Question 28

Denser plates with water on top of them are called what kind of plates?

Answer 28

Oceanic

Question 29

Less dense plates with land on top of them are called what?

Answer 29

Continental

Question 30

If the two previous plates collide such one will go under the other?

Answer 30

Oceanic

Question 31

If one plate is being pushed above the other one, this movement is called?

Answer 31

Uplift

Question 32

If one plate is being pushed under another plate, this movement is called?

Answer 32

Subduction

Question 33

In the Pacific Ocean there is a large circle of plates banging into each other called the?

Answer 33

Ring of Fire

Question 34

What else can be found in the same location as the previous answer- where the plates meet? (Ring of Fire)

Answer 34

Volcanoes

Question 35

One place in the world where you can actually walk and see where to plates are moving away from each other?

Answer 35

Iceland

Question 36

The early earth was so hot it actually turned into?

Answer 36

Liquid magma

Question 37

The fourth and outermost layer of the Earth is called the?

Answer 37

Atmosphere

Question 38

When the solar system was forming-dust/gas was pulled into a spinning disk called?

Answer 38

Protoplanetary Disk