Chapter 3 Gr. 6

Question 0

A break that appears in a boundary between two moving masses of rock

Answer 0

Fault

Question 1

Earthquakes sometimes cause monstrous waves called these

Answer 1

Tsunamis

Question 2

The point underground where an earthquake begins

Answer 2

Focus

Question 3

The place at ground level that is directly above the focus of an earthquake

Answer 3

Epicenter

Question 4

Any trembling or shaking of the Earth’s crust

Answer 4

Earthquake

Question 5

The strength of an earthquake

Answer 5

Magnitude

Question 6

This occurs when natural acid slowly eat into a rock, breaking it apart

Answer 6

Chemical weathering

Question 7

The temperature of rocks does this with depth

Answer 7

Increases

Question 8

This is created when trapped gas is blast through the earths surface

Answer 8

Vent

Question 9

This allows molten rock and hot gases to escape from within the earth

Answer 9

A Volcano

Question 10

Scientists who study the structure of the earth

Answer 10

Geologists

Question 11

The process by which new soil is formed as rocks crumble and break into smaller pieces

Answer 11

Weathering

Question 12

The boundary between the Earth’s crust and it’s mantle

Answer 12

Moho or Mohorovičić discontinuity

Question 13

The underwater mountain ranges

Answer 13

Mid-oceanic ridges

Question 14

The study of earthquakes

Answer 14

Seismology

Question 15

A volcano that has been active at some time in recorded history but has not had a recent eruption

Answer 15

Dormant

Question 16

A volcano that produces lava fountains and fire curtains

Answer 16

Hawaiian

Question 17

A volcano characterized by hot clouds of gas and dust as it expels

Answer 17

Plinian

Question 18

A volcano that has erupted recently

Answer 18

Active

Question 19

A volcano that has not erupted in recorded history

Answer 19

Extinct

Question 20

Magna that has reached the earths surface

Answer 20

Lava

Question 21

Running along the edge of the Pacific ocean, and named for its many volcanoes

Answer 21

The Ring if Fire

Question 22

A depression found at the top of a volcano

Answer 22

Crater

Question 23

Holes or cracks which serve as escape vents for underground gases

Answer 23

Fumaroles

Question 24

Smaller fragments of molten rock that solidify almost instantly

Answer 24

Tephra

Question 25

A volcano formed from large amounts of very fluid lava that build up gradually. The Hawaiian Islands were formed by this type of volcano

Answer 25

Shield volcano

Question 26

A volcano formed by eruptions of mostly tephra and very little lava. Paracutin is an example of this.

Answer 26

Cinder cone volcano

Question 27

A volcano formed by alternating layers of tephra and lava. Mount St. Helens is an example

Answer 27

A composite volcano

Question 28

Describe the three main sections of the earth in complete sentences

Answer 28

The crust, the mantle, and the core