9.7 Volcanoes Quiz

What are volcanoes?

• Openings in the ground where magma comes to the surface

• Large mountains made of ice

• Deep holes in the ocean

• Large lakes formed by earthquakes

What is the difference between active, dormant, and extinct volcanoes?

• Active volcanoes erupt frequently, dormant volcanoes have not erupted recently, and extinct volcanoes are unlikely to erupt again.

• Active volcanoes are underwater, dormant volcanoes are on land, and extinct volcanoes are in the sky.

• Active volcanoes are made of ice, dormant volcanoes are made of rock, and extinct volcanoes are made of sand.

• Active volcanoes are small, dormant volcanoes are medium-sized, and extinct volcanoes are large.

What is magma called when it comes out of the ground?

• Ash

• Lava

• Steam

• Rock

Which of the following is an example of an extinct volcano in Britain?

• Mount Etna

• Mauna Loa

• Edinburgh volcano

• Parícutin

What is the main vent in a volcano?

• A store of molten rock deep inside the earth

• A funnel-shaped hollow at the top of a volcanic cone

• The path through which magma rises to the surface

• Small pieces of shattered rock thrown from the volcano

Which type of volcano is formed from ash and usually has steep sides?

• Lava volcano

• Ash volcano

• Shield volcano

• Composite volcano

Label the parts of the volcano.

a

b

c

d

e

f

g

h

Steam, Gas or Dust

Lava

Magma

Volcanic bombs

Ash

Ash and Lava layers

Crater

Secondary cone