Earthquakes and Volcanoes Quiz

What is the definition of an epicentre in relation to earthquakes?

• The point on the Earth's surface directly above the focus where an earthquake is felt most strongly.

• The point inside the Earth where seismic waves are generated.

• The area around a volcano where lava is found.

• The scale used to measure the strength of an earthquake.

What does the term 'magma' refer to?

• Lava that has cooled and solidified on the Earth's surface.

• Molten (melted) rock beneath the Earth's surface.

• A mountain formed by the collision of tectonic plates.

• The force between two tectonic plates.

Which type of volcano is described as having a wide base and low height?

• Shield volcano

• Stratovolcano

• Dormant volcano

• Extinct volcano

What is the main characteristic of a stratovolcano?

• It has erupted at least once in the last 10,000 years.

• It has a wide base and low height.

• It has steep sides.

• It is no longer active but could erupt again.

What does 'dormant volcano' mean?

• A volcano that has never erupted.

• A volcano that has erupted in the last 10,000 years but shows no signs of activity now.

• A volcano that is very active and erupts frequently.

• A volcano that has not erupted in the last 10,000 years and shows no signs of erupting again.

The centre of the Earth is called the...

An earthquake happens when

• Two tectonic plates get stuck and suddenly shift.

• When a tectonic plate breaks.

• When a volcano erupts.

• When it rains too much.

A ____ ________ is formed when two tectonic plates collide.

An earthquake's size is measured by the

• Moment Magnitude Scale

• Ruler

• Clock

• Marvel SuperHeroes

How can we predict volcanic eruptions? (More than one answer)

• When there are lots of earthquakes.

• When the ground bulges.

• When it is really sunny.

• When more gas comes out.