Plate Tectonics

Match it! Select the correct answer from the pull down...Good luck!

This is the movement of a gas or liquid caused by changes in temperature.

On the ocean floor, there are deep canyons called _____.

Alfred Wegener supported his theory of continental drift by showing how the continents________ like a puzzle.

This is a flat area between two ridges that is formed by spreading plates.

When two tectonic plates slide past each other, it's known as a ________.

When two tectonic plates move away from each other, it's known as a __________.

________ first stated the modern theory of continental drift.

In the ocean, when magma rises through the crust, it cools and forms new crust on both sides of a rift. What is this process called?