Volcano

Question 0

What is Magma

Answer 0

Molten rock inside the volcano

Question 1

what is a volcano?

Answer 1

An opening in earths crust through which magma has reached earths surface.

Question 2

Lava

Answer 2

Molten rock outside volcano

Question 3

What is an ACTIVE volcano

Answer 3

A volcano the erupts regularly

Question 4

What is a DORMANT volcano

Answer 4

A volcano that has erupted in the past but now is quiet

Question 5

What is an extinct volcano?

Answer 5

Volcano that hasn’t erupted in historical times

-no written record of an eruption

Question 6

What is a seamount?

Answer 6

Underwater volcano

Question 7

How many currently active volcanoes around the world are there?

Answer 7

500

Question 8

Shield Volcano characteristics

Answer 8

Produces magma rich in iron and magnesium

• very liquidy lava- flows a long way
• not very explosive eruptions
• largest volcano
• —Hawaiian volcanos—-

Question 9

What is a composite volcano? And what are some characteristics

Answer 9

Made of alternation layers of ash, cinders and lava

• thick magma rich in silica, full of trapped gases
• eruptions alternate between lava flows and explosive activity producing cinders and ash

Question 10

Name some characteristics of cinder come volcanos

Answer 10

Smallest and most abundant type of volcano.

• -violent eruptions
• a lot of ash and lava are thrown from opening and land surrounding volcano
• -active for short period of then then go extinct