Earth's crust

Question 1

What is compression?

Answer 1

Stress that squeezes rock

Question 2

What does compression do to rocks?

Answer 2

Folds or breaks it

Question 3

What is a fault?

Answer 3

A break in earths crust

Question 4

Where do faults happen?

Answer 4

Along plate boundaries

Question 5

What is a rock fold?

Answer 5

A bend in a rock caused by compression and reverse faults

Question 6

How do folds in rock form?

Answer 6

Compression stress forcing 2 blocks of rock together.

Question 7

How do rock folds change the shape of rocks?

Answer 7

Shortens and thickens earths crust

Question 8

What is a footwall?

Answer 8

A block of rock below the fault line.

Question 9

What is a hanging wall?

Answer 9

A block of rock that lies above the fault line

Question 10

What is a normal fault?

Answer 10

A type of fault that occurs when rocks are pulled apart. Making the hanging wall slide down relative to the footwall.

Question 11

What stress causes normal faults?

Answer 11

Tension

Question 12

What is a reverse fault?

Answer 12

A type of fault that occurs when rocks are squeezed together. Making the hanging wall move up relative to the footwall.

Question 13

What stress causes a reverse fault?

Answer 13

Compression

Question 14

What is a strike-slip fault?

Answer 14

A type of fault that occurs what rocks move side to side against each other with little up or down motion.

Question 15

What type of stress causes a strike-slip fault?

Answer 15

Shearing

Question 16

What is stress?

Answer 16

A force that adds energy to rocks to change its shape or volume.

Question 17

What is force?

Answer 17

A push or pull

Question 18

What are tectonic plates?

Answer 18

Huge slabs of movable rock under earths surface.

Question 19

How do tectonic plates move?

Answer 19

Heat from earths mantle force these plates to towards, away from, or alongside each other at very slow speeds.

Question 20

What can moving tectonic plates do to the earths crust?

Answer 20

Over millions of years, plate movement can cause earths crust to fold, bend, and break.

Question 21

What is tension?

Answer 21

Tension is a pulling force.

Question 22

What does tension do to rocks?

Answer 22

Pulls rocks, stretching it and thinning the rock.

Question 23

What are 3 types of stress?

Answer 23

Tension, Compression, and Shearing.

Question 24

What are 3 types of faults?

Answer 24

Normal, Reverse, ans Strike-slip fault.

Question 25

What does stress add to rock?

Answer 25

Energy

Question 26

What happens to rock over millions of years?

Answer 26

Plate moment causes earths crust to fold, bend, and break.

Question 27

What happens to earths plates as they move?

Answer 27

They may grind against each other, get pushed up over one another, or get pushed down deep into the earths mantle again.

Question 28

What happens when stress builds up on a rock?

Answer 28

The rock bends, creating a fault.

Question 29

What is a plateau?

Answer 29

A large area of flat land elevated high above sea level.

Question 30

BREAK TIME!!! This is a break for both me and you, mamae! So, let’s play a game! I’ll ask you a question and you answer! 1: What is my favorite class? 2: What come down but never goes up? 3; what goes up but never comes down? 4: How do you put a baby spaceship to sleep?

Answer 30

1: ELA
2: Rain
3: Your age
4: You rocket