Activity 14: What Makes the Plates Move?

What two things are the main forces that drive plate motion?

Gravity is a force that pulls objects ______________

The downward movement of a plate due to gravity is called _______

Which part of this diagram do you think would represent Slab Pull?

Gravity acts on Earth's plates, and so does ________________.

This is the hottest layer of Earth's interior.

The internal energy of a substance due to the movement of particles within the substance.

Scientists think that the transfer of thermal energy from core to mantle causes _________ in the mantle.

Convection is the transfer of thermal energy by the movement of matter of different _________.

Convection is the driver of ______________.