Cards Chapter 25

Question 1

Mid-Ocean ridge

Answer 1

Mountain ranges on the seafloor separated by valleys.

Question 2

Rift Valley

Answer 2

Forms in between peaks along the mid-ocean range.

Question 3

Convergent Plate Boundary

Answer 3

The boundary where two plates collide.

Question 4

Subduction

Answer 4

The denser plate that dives beneath the continent.

Question 5

Divergent Plate Boundary

Answer 5

The boundary between two plates that are moving apart.

Question 6

Transform Plate Boundary

Answer 6

Plates slide horizontally past each other in opposite directions.

Question 7

Earthquake

Answer 7

Is the sudden movement or vibration of the ground.

Question 8

Fault

Answer 8

A crack in the Earth´s crust along which rock has moved.

Question 9

Elastic Rebound

Answer 9

Is a sudden release strain of energy and moves along a fault.

Question 10

Focus

Answer 10

The point of origin for an earthquake.

Question 11

Epicenter

Answer 11

The point on Earth´s surface directly above the focus.

Question 12

Who came up with the Continental Drift Hypothesis?

Answer 12

Alfred Wegener

Question 13

What were some of the pieces of evidence that supported Alfred´s Hypothesis?

Answer 13

1. Large land animal fossils
2. Coastlines fit together like puzzle pieces
3. Mountain ranges line up and have the same rock composition

Question 14

What was the name of the Super Continent?

Answer 14

Pangaea

Question 15

Who came up with the Seafloor Spreading Hypothesis?

Answer 15

Harry Hess

Question 16

What did Hess use to create a map of the Seafloor?

Answer 16

Sonar

Question 17

Who discovered the Mid-Ocean range?

Answer 17

Harry Hess

Question 18

Where will the younger rock be located?

Answer 18

Near the MOR

Question 19

What are the three types of plate boundaries?

Answer 19

1. Divergent boundary
2. Convergent boundary
3. Transform boundary

Question 20

Seduction only happens with what kind of plate boundary?

Answer 20

Convergent

Question 21

What two types of crust that are involved in plate boundary movement?

Answer 21

1. Oceanic

2. Continental

Question 22

What land forms can form when oceanic crust and continental crust converge?

Answer 22

1. Volcano

2. Deep-sea trench

Question 23

What land forms can be created when two oceanic crusts collide?

Answer 23

1. Hot spots=they create islands

2. Deep-sea trench

Question 24

What land form is created when two continental crusts converge?

Answer 24

Mountains

Question 25

What type of crust must be present for volcanic activity to occur?

Answer 25

Oceanic Crust

Question 26

How do divergent plate boundaries move?

Answer 26

They split or come apart

Question 27

What are two examples of divergent plate boundaries?

Answer 27

1. MOR (made up of oceanic crust)

2. The East African Rift (made up of two continental crust)

Question 28

How do transform plate boundaries move?

Answer 28

They slide by each other

Question 29

What is a specific example of a transform plate boundary?

Answer 29

The San Andres fault (Two continental crust)

Question 30

How do Convection Currents work?

Answer 30

1. Magma heats up, becomes less dense, and rises

2. Magma cools down, becomes more dense, then sinks

Question 31

What are the other forces that helps with plate movement?

Answer 31

1. Slab pull
2. Ridge push
3. Friction between plates and the mantle also helps move plates