Earthquakes & Volcanoes

The point inside the Earth's crust where the earthquake originates from is known as the...

• Focus

• Epicentre

• Tsunami

• Volcano

Which is NOT used to measure the intensity of earthquakes?

• Moment Magnitude scale

• The Richter Scale

• The Saffir-Simpsons Scale

The ______________ is 2900 km below the Earth’s surface, in the centre of the Earth, and is the hottest layer. It is spherical and solid and made up of iron and nickel. Its temperatures can reach 5500°C.

• Inner core

• Outer core

• Mantle

• Crust

The _____________ is the outer layer of the Earth on which we live. It is the thinnest layer and is between 5 and 90 km thick.

• Inner core

• Outer core

• Mantle

• Crust

Which type of crust has a higher density?

• Oceanic

• Continental

Which plate boundary type is this?

• Conservative

• Convergent

• Divergent

• Collision Zone

Plate boundary type?

• Conservative

• Convergent

• Divergent

• Collision Zone

Which of these statements about convergent plate boundaries is NOT true?

• Two continental plates move towards each other

• The oceanic crust subducts under the continental crust

• Composite volcanoes can form

• Tsunamis can form

Plate boundary type?

• Conservative

• Convergent

• Divergent

• Collision Zone

What is the name given to semi-molten rock?

• Mountain

• Mantle

• Magma