Volcano structures and charecteristics

Question 1

Is a composite volcano more dangerous than a shield volcano and why?

Answer 1

Yes because composite spurts everywhere violently and large masses of volcanic rock and ash are coming out at the top whilst shields have more gentle eruptions.

Question 2

What is pyroclastic flow?

Answer 2

A mixture of hot steam, ash, rock and dust.

Question 3

What are some properties of shield volcanoes?

Answer 3

made of lava, wide base, gentle slope, thin lava, spreads over long distances, no volcanic bombs and gentle erruptions

Question 4

What are some properties of composite volcanoes?

Answer 4

layers of ash + ash, violent eruptions, volcanic bombs, narrow base, slow moving lava, steep sides, thick lava, number of vents and secondary cones.

Question 5

What are similarities the two types have?

Answer 5

They both have a magma chamber, a crater and a main vent