Plate Tectonics- Revision Quiz

What causes the continents to move?

• Volcanic eruptions

• Rainfall

• Hot rock rising

• Tectonic plates colliding

What happens to the rock near the surface as it spreads in two directions?

• It cools down

• It goes sideways

• It melts

• It solidifies

What is carried deep into the earth when plates collide?

• Gold

• Carbon from dead plankton

• Silver

• Diamonds

What happens to the rock containing carbon from dead plankton as it descends?

• It solidifies

• It heats up

• It cools down

• It melts

What is released into the atmosphere during an eruption?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

What is the result of the spreading process of the earth's crust?

• Decrease in volcanic activity

• Formation of new mountains

• Earth's crust being dragged apart

• Continents moving closer

What happens to the rock as it loses heat near the surface?

• It solidifies

• It spreads in two directions

• It melts

• It evaporates

What is the ultimate cause of the continents moving?

• Volcanic eruptions

• Hot rock rising

• Tectonic plates colliding

• Rainfall

What happens to the rock on the sea floor as it is carried deep into the earth?

• It melts

• It cools down

• It heats up

• It solidifies

What completes the remarkable cycle during an eruption?

• Formation of new islands

• Release of carbon dioxide

• Decrease in temperature

• Increase in atmospheric pressure