SCI W1 Volcano

Question 1

An opening in the earth’s crust from which lava, ash, and hot gasses flow or are ejected during an eruption.

Answer 1

Volcano

Question 2

Known as the mouth of a volcano.

Answer 2

Crater

Question 3

A basin/bowl shaped depression at the top of the volcone where the vent is located.

Answer 3

Crater

Question 4

The opening where an eruption takes place.

Answer 4

Vent

Question 5

A pipe that carries liquid material such as magma.

Answer 5

Conduit

Question 6

A hot fluid or semi-fluid material below or within the earth’s crust that is usually made from molten rocks inside the earth.

Answer 6

Magma

Question 7

Rock or magma is expelled from a volcano during an eruption.

Answer 7

Lava

Question 8

Rocks will go to the asthenosphere to melt then have molten rocks (magma)

Answer 8

Oceanic crust

Question 9

Dependent on the plates which form the top layer on the mantle

Answer 9

Subduction

Question 10

A region of high volcanic activity not located at any plate boundary.

Answer 10

Hotspot.

Question 11

when volcano moves.

Answer 11

Tectonic plate

Question 12

currently active if it is erupting lava, releasing gas or generating seismic activity.

Answer 12

Active volcanoes

Question 13

are volcanoes that are not currently active,but potential to erupt.

Answer 13

Inactive volcanoes

Question 14

have no records of eruption.

Answer 14

Extinct volcanoes

Question 15

Least destructive

Answer 15

Shield volcanoes

Question 16

Board, gently sloping landform built by many layers of low-viscous lava flows.

Answer 16

Shield volcanoes

Question 17

Known as Scoria cone

Answer 17

Cinder cone

Question 18

Destructive

Answer 18

Cinder cone

Question 19

explosive eruptions, small but steep slopes, pyroclastics.

Answer 19

Cinder cone

Question 20

Known as Stratovolcano

Answer 20

Composite Volcano

Question 21

most destructive

Answer 21

Composite Volcano

Question 22

one constructed of alternating layers of pyroclastic materials and solidified lava flows.

Answer 22

Composite Volcano

Question 23

With high silica content

Answer 23

Composite Volcano

Question 24

A volcanic crater that is formed when a part of the wall of the crater collapses
following an explosive eruption

Answer 24

Caldera