What is an earthquake?

What is an earthquake most commonly caused by?

Where do earthquakes mainly occur?

The Earth’s crust is split into a number of tectonic plates. How thick are they?

Do all earthquakes occur naturally ?

How many types of the Earth’s crust are there?

What is the term give to one theory in relation as to how tectonic plates move in relation to each other?

Which way do tectonic plates move at a constructive plate margin?

Which way do the tectonic plates move at a destructive plate margin?

At a destructive plate margin which tectonic plate may sink beneath the other one?

What is the rigid shell called that is formed at the Earth’s surface when the Earth’s crust and upper mantle come together?

What term is used when two tectonic plates meet?

The Earth’s internal structure is divided into layers. What is the central layer called?

What is the name of another theory regarding the movement of tectonic plates?

Which of the following is correct in relation to the Earth’s core?

The upper portion of the Earth’s mantle is a weak layer that can deform like plastic. What is it called?

What is the thin outermost layer of the Earth called?

Some earthquakes and volcanos occur in the middle of tectonic plates. What are these areas known as?

The mantle that surrounds the core is made up of a material that can flow very slowly. What is the composition of this material?

What is magma

What is the temperature of the Earth’s core?

Are earthquakes found on both land and in the sea?

Are volcanoes found on both land and in the sea?

How many types of plate margin are there?

Which of the following is not a type of plate margin?