A volcano is formed when…

The shaking of the Earth’s surface is called…

The opening through which lava comes out is called….

The place inside the Earth where an earthquake starts is called….

Lava becomes ______ after cooling.

The instrument used to measure earthquakes is…

Which scale is used to measure the magnitude of an earthquake?

A volcano that is not currently erupting but may erupt in the future is called…

Which of the following is NOT caused by an earthquake?

Which layer of the Earth contains molten rock called magma?