Basta Volcanoes

Question 1

A basin-like depression over a vent at the summit of the cone and also known as the mouth of the volcano

Answer 1

Crater

Question 2

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

Answer 2

Caldera

Question 3

Conveying liquid materials such as magma

Answer 3

Conduit

Question 4

Gently sloping landform built by many layers of low viscous lava flows which cannot be filled up into sleep mounds.

Answer 4

Shield volcanoes

Question 5

A volcano that has a steep conical hill formed above a vent that is composed mostly for basalt

Answer 5

Cinder cone volcano

Question 6

*Constructed if alternating layers of pyroclastic materials and solidified lava flows.
*Also known as stratovolcanoes

Answer 6

Composite volcanoes

Question 7

A stream-driven eruption as the hot rocks come in contact with water.

Answer 7

Phreatic/Hydrothermal

Question 8

Excessively explosive type of eruption of gas and pyroclastics

Answer 8

Plinian

Question 9

Outpourings of lava on to the ground

Answer 9

Effusive eruptions

Question 10

Opening through which eruption takes place

Answer 10

Vent

Question 11

High volcanic activity not located at any plato boundary

Answer 11

Hotspot

Question 12

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

Answer 12

Formation by subduction

Question 13

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

Answer 13

Active volcanoes

Question 14

They’re not currently active, but maybe either dormant or extinct.

Answer 14

Inactive volcanoes

Question 15

A period of weak to violent eruption characterized by fountain lava.

Answer 15

Strombolian

Question 16

Violent eruption due to the contact between water and magma resulting in a violent fine ash eruption

Answer 16

Phreatomagmatic

Question 17

Characterized by a tall eruption that reaches up to 20km high with pyroclastic flow and ashfall tephra

Answer 17

Vulcanian eruption

Question 18

Volcanic eruption in terms of activity which are characterized by a gas-driven explosion that propels magma and tephra

Answer 18

Explosive eruptions

Question 19

Three products from an explosive eruption

Answer 19

— Ash fall
— Pyroclastic flow
— Pyroclastic surge

Question 20

This type of power plant does not use water or steam to turn the turbine blades for power generation

Answer 20

Binary cycle power plants