Plate Theory

Question 1

What is slab pull

Answer 1

• denser plate subducted

- subducting plate is much older and heavier so it pulls the rest of the plate along with it

Question 2

What is ridge push

Answer 2

Molten magma rises and heats up the rocks around it. As lithosphere is heated they expand and become elevated creating a slope. Gravity causes the older lithosphere to slide away from the ridge down the asthenosphere