Y9 Tectonics Revision

What is the outermost layer of the Earth called?

• Inner core

• Mantle

• Outer core

• Crust

Which is the thickest layer of Earth?

• Inner core

• Mantle

• Outer core

• Crust

Which layer of the Earth flows very slowly due to convection currents?

• Inner core

• Mantle

• Outer core

• Crust

What is the name of the plate boundary where plates move apart?

• Destructive (convergent)

• Constructive (divergent)

• Collision (convergent)

• Conservative

What is the name of the plate boundary where plates slide past each other?

• Destructive (convergent)

• Constructive (divergent)

• Collision (convergent)

• Conservative

At which plate boundary does subduction occur?

• Destructive

• Constructive

• Collision

• Conservative

Which type of volcano is more powerful?

• Composite/strato

• Shield

At what plate boundary do you find stratovolcanoes (the powerful ones)?

• Destructive

• Constructive

• Conservative

• Collision

"Volcanoes are not found at collision plate boundaries". True or False?

• True

• False

What is "the main channel through which magma escapes"?

• Secondary cone

• Crater

• Main vent

• Magma chamber