See what you already know about the plate tectonics and earth layers by taking this earth science quiz!
The process by which oceanic crust sinks beneath trenches.
The direct transfer of heat through solid materials.
The process that continually adds ocean floor.
A device that bounces sound waves off underwater objects.
Rises to the top.
Sinks to the bottom.
Stays where it is.
Stays on top.
J. Tuzo Wilson
Here's an interesting quiz for you.