Volcanos

Question 1

How are volcanoes formed?

Answer 1

Volcanoes are formed when magma from within the Earth’s upper mantle works its way to the surface.

Question 2

What is a shield volcano?

Answer 2

Shield volcanoes have gently sloping sides and runny lava that covers a wide area. Gases escape very easily from shield volcanoes.

Question 3

What is a constructive plate boundary?

Answer 3

Is when plates move apart

Question 4

What is a destructive plate boundary?

Answer 4

occurs when oceanic and continental plates move together.

Question 5

What is a composite volcano?

Answer 5

Composite volcanoes are steep-sided and cone-shaped, made up of layers of ash and lava and containing sticky lava which doesn’t flow very far

Question 6

What is a conservative plate boundary?

Answer 6

occurs where plates slide past each other in opposite directions, or in the same direction but at different speeds