ch.4 test

Question 1

what type of stress squeezes a rock layer

Answer 1

compression

Question 2

a rising layer of rock is called

Answer 2

uplift

Question 3

tension

Answer 3

stress stretches a rock layer

Question 4

the two continents Pangea split into over 165 million years ago

Answer 4

Laurasia and Gondwana

Question 5

GPS ( Global Positioning system)

Answer 5

used to measure the movement of tectonic plates

Question 6

magma hardens to form new rocks at

Answer 6

mid-ocean ridge

Question 7

a seismograph is used to measure the

Answer 7

density of Earths layers

Question 8

fossils and rock layers that are alike and found provide evidence for

Answer 8

continental drift

Question 9

causes a sinking of rock a rock layer

Answer 9

subsidence

Question 10

used as evidence for sea floor spreading

Answer 10

magnetic reversals

Question 11

sea floor spreading takes place at

Answer 11

mid ocean ridges

Question 12

the single huge continent that once existed

Answer 12

Pangea

Question 13

when the hanging wall moves downward relative to the foot wall

Answer 13

normal fault

Question 14

mountains with sharp, jagged peaks are formed from a force is called

Answer 14

fault block

Question 15

an are where 2 tectonic plates meet is called a

Answer 15

boundary

Question 16

what type of boundary is formed when plates collide

Answer 16

convergent

Question 17

in a reverse fault where does the hanging wall move relative to the footwall

Answer 17

up

Question 18

a type of boundary which causes plates to divide

Answer 18

divergent

Question 19

plates slide past each other at

Answer 19

transform boundary

Question 20

3 types of evidence that helps support the theory of continental drift

Answer 20

fossil records, magnetic reversals, and sea floor spreading

Question 21

the outermost layer of Earth

Answer 21

lithosphere

Question 22

the liquid layer of the Earths core is called

Answer 22

outer core

Question 23

at this type of fault usually occurs because of tension

Answer 23

division ( normal fault)

Question 24

compression occurs

Answer 24

reverse fault

Question 25

continents which split from the breakup of Gondwana

Answer 25

Africa, Australia, India, Antarctica, South America

Question 26

the continent of Laurasia split into

Answer 26

North America and Eurasia