Chapter 3

Question 1

Mild eruption with one vent which thin lava and gas comes through

Answer 1

Hawaiian eruption

Question 2

Melted rock above or on the Earth’s surface

Answer 2

Lava

Question 3

Blobs of lava that are shot into the air by a volcano

Answer 3

Volcanic bombs

Question 4

Rough surfaced lava

Answer 4

Aa

Question 5

A hot ash, deadly pyroclastic flows and is an extremely violent eruption

Answer 5

Plinian eruption

Question 6

Volcano that hasn’t erupted for a long time but still might

Answer 6

Dormant volcano

Question 7

Volcano that will no longer erupt

Answer 7

Extinct volcano

Question 8

Volcano that has erupted recently or may erupt soon

Answer 8

Active volcano

Question 9

Smooth lava that can be fluffy or pillowy

Answer 9

Pahoehoe

Question 10

Melted rock beneath the earth’s surface

Answer 10

Magma

Question 11

Instrument that uses water to measure changes in the Earth

Answer 11

Tiltmeter

Question 12

Explosive eruption but has thick lava, steam and gas that comes from it

Answer 12

Strombolian eruption

Question 13

Vent in the crust of the earth in which steam, ash, lava and gas are forced through

Answer 13

Volcano

Question 14

Hardened body of magma that’s underground

Answer 14

Pluton

Question 15

Tear shaped volcanic material that hardens in the air before it hits the ground

Answer 15

Volcanic bombs

Question 16

Where most hot spots occur

Answer 16

Beneath the ocean

Question 17

Ash and rock which is a solid material that comes out of a volcano

Answer 17

Pyroclastics

Question 18

Eruption composed of fine ash, gas-charged fragments of lava and superheated steam which creates a huge cloud that often travels down the side of the volcano at great speed

Answer 18

Pelean eruption

Question 19

Places on the earth’s surface, directly above a column of rising magma

Answer 19

Hot spots

Question 20

Mild eruption that has gas and thin lava escaping through several vents

Answer 20

Icelandic eruptions

Question 21

Thick lava causes volcanoes to erupt_____

Answer 21

Explosively

Question 22

What is the ring of fire?

Answer 22

Rim of the Pacific Ocean and is famous for all the explosive volcanoes around it

Question 23

Shield volcanoes are mostly made up of _____

Answer 23

Lava

Question 24

Vents are always open on ______ Islands

Answer 24

Hawaiian

Question 25

Type of lava that is able to float because gas was trapped in it while it cooled

Answer 25

Pumice

Question 26

Has more violent eruptions

Answer 26

Composite volcano

Question 27

Has gently sloping sides built from lava flows

Answer 27

Shield volcanoes

Question 28

Small cone shaped volcano built from ash and cinders

Answer 28

Cinder cone volcanoes

Question 29

Deep sided volcano built from many layers of ash, cinders and lava usually from one vent

Answer 29

Composite volcanoes

Question 30

Has Icelandic eruptions through many vents or Hawaiian eruptions through one vent

Answer 30

Shield volcanoes

Question 31

Has Strombolian eruptions that are very explosive

Answer 31

Cinder cone volcanoes

Question 32

Eruptions that send thick lava, ash, steam or gas high into the air from one vent, usually short lived volcanoes

Answer 32

Strombolian

Question 33

2 things volcanic soil is

Answer 33

Fertile and rich in minerals

Question 34

2 things volcanic soil helps

Answer 34

Plant and animal life

Question 35

The soil helps to grow what?

Answer 35

Lush foliage

Question 36

What do volcanoes release?

Answer 36

The buildup of heat and pressure

Question 37

A place where one tectonic plate pushes under another

Answer 37

Subduction zone