Science Q2T1 2015 Part 1

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

Which of the following is also known as a spreading center?

A spreading center is a ____________ on the ocean floor.

A ____________ occurs wherever two plates move toward each other.

Patterns of ____________ recorded in ocean-floor rocks provide evidence of plate movement.

What are Earth's layers from the center to the surface?

Oceanic crust at a mid-ocean ridge is

Pangaea was a supercontinent that existed about 200 million years ago.

Scientists think that the main driving force of plate tectonics is