Convection currents Flashcards
1
Q
Step 1:
A
The core heats the magma in the lower mantle- it rises as hot material is less dense.
2
Q
Step 2:
A
It nears the crust and cools, becomes more dense and sinks.
3
Q
Step 3:
A
As it sinks it drags or pulls the tectonic plates with it.
