Deformation of the Crust

Question 1

What is the bending, tilting, and breaking of Earth’s crust called?

Answer 1

Deformation

Question 2

What do you call the state when the two forces of lithosphere and asthenosphere are balanced?

Answer 2

Isostasy

Question 3

What do you call the amount of force per unit area that acts on a rock?

Answer 3

Stress

Question 4

What type of stress occurs when rock is being squeezed and shortened?

Answer 4

Compression

Question 5

What type of stress occurs when rock is being stretched and pulled apart?

Answer 5

Tension

Question 6

What type of stress occurs when rock undergoes distortion by pushing parts of it in opposite directions?

Answer 6

Shear Stress

Question 7

What do you call any change in a rock’s shape or volume caused by stress?

Answer 7

Strain

Question 8

What type of strain responds to stress by breaking or fracturing?

Answer 8

Brittle

Question 9

What type of strain respond to stress by bending or deforming without breaking?

Answer 9

Ductile

Question 10

What is a bend in rock layers, usually as a result of compression?

Answer 10

Fold

Question 11

What is a break along which the surrounding rock that moves?

Answer 11

Fault

Question 12

What type of fault is it in which a hanging wall moves downward relative to the footwall, and normally occur at divergent boundaries?

Answer 12

Normal Fault

Question 13

What type of fault is it when the hanging wall moves upward to the footwall?

Answer 13

Reverse Fault