plate tectonics

Question 1

The distance from the earth’s surface to the center of the earth is ____ km.

Answer 1

6371

Question 2

Continents were once joined together to form a large land mass called ______.

Answer 2

Pangea

Question 3

Are earthquakes most likely to occur in a transform boundary?

Answer 3

Yes

Question 4

Surface of the earth is made up of _____ ________ that have _____ over time.

Answer 4

Large plates that have moved over time.

Question 5

^^This is called _____ _______

Answer 5

Plate tectonics

Question 6

How old is earth?

Answer 6

4 billion years old

Question 7

Old crust is _____ and new crust is _____ over time.

Answer 7

Old crust is destroyed and new crust is formed over time.

Question 8

Crust and upper mantle are called the…

Answer 8

Lithosphere

Question 9

What geological feature is made with plate tectonics?

Answer 9

Volcanoes, mountains, room for ocean water, rift valleys.

Question 10

Some evidence of plate tectonics?

Answer 10

Earthquakes, mountain ranges made of same material on another continent, continents look like puzzle pieces. (More)

Question 11

What is the theory that sections of the earth’s crust have moved toward and away from each other to form other continents?

Answer 11

Plate tectonics

Question 12

Which type of boundary is where new lithosphere is created?

Answer 12

Divergent

Question 13

The Himalayan mountains formed the ______ of Tectonic plates. (Indian and Eurasian Plate)

Answer 13

Collision

Question 14

Divergent boundaries-

Answer 14

Plates move away from each other and new earth is formed.

Question 15

Convergent boundaries-

Answer 15

Plates move towards each other and mountains and volcanoes are formed and in some cases old earth is destroyed.

Question 16

Transform boundaries-

Answer 16

Plates move side to side and slip past each other. San Andreas Fault is an example in California.

Question 17

Crust-

Answer 17

0-40 km, solid, made up of rocks, 0-700 degrees C, the deeper the warmer.

Question 18

Mantle-

Answer 18

40-2800 km, upper mantle is solid, lower mantle is liquid, made of iron, magnesium, silicon, and anywhere between 700-2800 degrees C.

Question 19

Outer core-

Answer 19

2800-5200 km, liquid, iron and nickel, 2800-5200 degrees C.

Question 20

Inner core-

Answer 20

5200-6400 km, solid, iron and nickel, over 6,000 degrees C.

Question 21

Lithosphere-

Answer 21

Crust and upper mantle together.

Question 22

Why Hawaii has volcanoes? (Volcano Hot Spot-Hole on earth)

Answer 22

Volcano hot spots create land, plates move over whole and location changes.