Volcanoes

Question 1

What is a ‘Super Volcano’?

Answer 1

A volcano which is capable of erupting on a much bigger scale than a normal volcano

Question 2

What are the two types of volcanoes?

Answer 2

Shield and Composite

Question 3

What are ‘Composite Volcanoes’?

Answer 3

Composite volcanoes are much more explosive than shield volcanoes, the other important type of volcano,

Question 4

Where do composite volcanoes form?

Answer 4

The large and generally come shaped volcanoes form along plate boundaries called subduction zones

Question 5

What happens at ‘Subduction Zones’?

Answer 5

One of the Earth’s plates moves below another

Question 6

What is the formation of the ‘Composite Volcanoes’?

Answer 6

Trapped sea water and ocean sediment is added to this molten mix which it turn melts the overlying continental crust

Question 7

In Composite Volcanoes what do these magma plumes do?

Answer 7

They rise to the surface and form chain of volcanoes

Question 8

Compared to other volcanoes, what are Composite Volcanoes like?

Answer 8

They are more viscous as they contain more silica than that of a shield volcano

Question 9

What does this stickiness do?

Answer 9

It ‘plugs up’ the volcano which causes the pressure to build up which results in a explosive, dangerous eruption