Final Exam 2021

Question 1

What is formed when there is a sliding boundary between two plates?

Answer 1

Fault

Question 2

What is the term for when two plates are moving apart?

Answer 2

Diverging

Question 3

What is the term for when the new hot material rises and cools spreading below the lithosphere?

Answer 3

Convection current

Question 4

What is the term for the study of the formation and movements of plates?

Answer 4

Plate Tectonics

Question 5

What is the term for the area of active belts around the Pacific plate?

Answer 5

Ring of Fire

Question 6

What is the term for the number used to determine the magnitude of an earthquake?

Answer 6

Richter Scale

Question 7

What is the term for the record “Sheet” that is recorded by a seismograph?

Answer 7

Seismogram

Question 8

What is the term for friction between plates - it prevents movement and stress builds up and releases causing an earthquake?

Answer 8

Elastic Rebound theory

Question 9

What is the type of eruptions that are usually very violent and contains large amounts of gas and forms a cinder cone?

Answer 9

Subduction

Question 10

What is the type of eruptions that are in the middle of plates and they formed the Hawaiian Islands?

Answer 10

Hot spot

Question 11

What is a dense super heated cloud of solid fragments of lava and move very fast?

Answer 11

Pyroclastic flow

Question 12

What is the type of magma that is low in silica and fast moving?

Answer 12

Magic

Question 13

What is the type of Magma that is high in silica and slow moving?

Answer 13

Felsic

Question 14

What is used to detect and record earthquakes?

Answer 14

Seismograph

Question 15

What are the type of waves that move like ripple on a pond?

Answer 15

L-waves

Question 16

What are the type of waves that move side to side?

Answer 16

S-waves

Question 17

What is a mountain of rocks above a large underground chamber of magma?

Answer 17

Volcano

Question 18

What is they type of way that are compressed or primary waves with a back and forth movement?

Answer 18

P-waves

Question 19

What is the point on the earth’s surface above the focus called?

Answer 19

Epicenter

Question 20

What is the term for the shaking of the earth that is caused by the release of energy?

Answer 20

Earthquakes

Question 21

What is the term for magma that reaches the surface?

Answer 21

Lava

Question 22

What is the type of eruption that occurs at spreading center?

Answer 22

Rift

Question 23

What is the term for underground molten rock?

Answer 23

Magma

Question 24

Where do most volcanoes and earthquakes occur?

Answer 24

Along plate boundaries

Question 25

What is the term for the mid ocean ridges and rift valleys that were formed by diverging boundaries?

Answer 25

Fracture zones

Question 26

What is the term for the ridged but moving pieces of earth’s crust?

Answer 26

Plates

Question 27

What was the original term for Plate Tectonics?

Answer 27

Continental Drift

Question 28

What can cause an earthquake?

Answer 28

Volcano eruptions
Impact of meteor
collapse of a cavern

Question 29

How does the amount of gas in lava affect the power of eruptions?

Answer 29

The more gas the more powerful

Question 30

What type of lava is more explosive?

Answer 30

Felsic

Question 31

What types of gas are release from a volcano?

Answer 31

Sulfur
Water
CO2

Question 32

What type of boundary would produce rift valleys and mid ocean ridges?

Answer 32

Diverging

Question 33

What type of boundary would produce a fault?

Answer 33

Sliding

Question 34

Where do most volcanoes and earthquakes occur?

Answer 34

Along the borders of plates

Question 35

What are plates made of?

Answer 35

Igneous rock

Question 36

What wave of earthquakes is the fastest?

Answer 36

P-wave

Question 37

How are volcanoes and earthquakes related?

Answer 37

To the movement of plates

Question 38

What are earthquake prediction based on?

Answer 38

Time since the last earthquake

Seismic gaps