Volcanos

Question 1

What is a volcano

Answer 1

A volcano is an opening, or rupture, in a planets surface of crust, which allows hot magma, volcanic ash and gases to escape from below the surface

Question 2

How many types of volcano are there

Answer 2

There a 3 different types of volcano. Geographers call the categories active, dormant and extinct

Question 3

What is an active volcano

Answer 3

An active volcano is liable to erupt at any time e.g. Mt Etna

Question 4

What is a dormant volcano

Answer 4

A dormant has not erupted for many years. E.g. Mt Pinatubo erupted in 1991 after 500 years of dormancy

Question 5

What is an extinct volcano

Answer 5

An extinct volcano has not erupted for a very long time and is unlikely to erupt again e.g. Mt Kulal in Kenya

Question 6

List the first benefit of living near a volcano

Answer 6

About 44% of icelands total energy comes from geothermal energy where boiling underground water, heated by the hot rocks deep below the surface, produces steam which can be used to generate electricity

Question 7

List the second benefit of living near a volcano

Answer 7

Over 120 mostly open-air swimming pools are heated by the naturally occurring hot water

Question 8

List the third benefit of living near a volcano

Answer 8

Greenhouses producing, tomatoes, cucumbers and flowers are heated using geothermal energy