Plate tectonics quiz

The theory of Continental drift was coined by

all continents once formed a super continent-Pangaea

The theory of ___________helps us to understand how landmasses and ocean basins are arranged.

_________: These are younger plates that have thin layers of rock under the oceans which are composed of denser material called SIMA (Silica Magnesium}

• dinner plate

• Oceanic Plate

• continental plate

• breakfast plate

_________: These are older plates that are thick and are made of old continental materials such as SIAL (Silica, Aluminum}

• oceanic swimming

• dinner plate

• Oceanic plate

• Continental Plates

Pangaea drifted apart to form a southern landmass called

____________and a northern landmass called ___________.

Over time, landmasses drifted apart to form the ____________

How do plates move?

As the lighter material moves from core to mantle, it cools, becomes denser and falls back down. This results in large convection cells in the mantle. This slow, continuous movement in the mantle causes plates to move.

• true

• false

What is the force by which the plates diverge ?hint look at the picture .......