Science Quiz 6 (8th)

What is a volcano?

• A large mountain made of rock.

• A conduit on the Earth's surface that allows molten rock to escape.

• A solid rock structure created by earthquakes.

• A hill formed by the movement of tectonic plates.

Which of the following best describes an inactive volcano?

• A volcano that has recently erupted and may erupt again.

• A volcano that is no longer capable of erupting.

• A volcano that has not erupted in a long time but could still erupt.

• A volcano that erupts frequently.

What type of volcanic eruption is the most explosive?

• Shield eruption

• Composite eruption

• Fissure eruption

• Effusive eruption

What is the difference between magma and lava?

• Magma is molten rock beneath the Earth's surface, while lava is molten rock that has reached the surface.

• Magma is found in the oceans, while lava is found in lakes.

• Lava is molten rock beneath the surface, and magma is molten rock on the surface.

• There is no difference; they are the same.

What is the most common type of volcano?

• Shield volcano

• Cinder cone volcano

• Composite volcano

• Dome volcano