Plate Tectonics

Front

Which of these types of rock would most likely be the youngest?

• rock that is close to a mid-ocean ridge
• rock that is farthest from a mid-ocean ridge
• rock next to a trench

Back

rock that is close to a mid-ocean ridge

Front

Which of these does NOT provide evidence that the continents drifted to their present locations? Options: current weather, landform data, deep-ocean trenches, similar fossils on multiple continents

Back

current weather

Front

Which processes are best explained by the theory of plate tectonics?

Back

earthquakes and volcanic eruptions

Front

True or False: The movement of Earth's plates is fast.

Back

False

Front

Based on what you know about seafloor spreading, what number would you expect to see in place of the question mark?

Back

1,000,000

Front

Pieces of Earth's surface that move are called..

Back

tectonic plates

Front

What feature on the ocean floor is the youngest rock?

Back

mid ocean ridges

Front

About 280-245 million years ago, all the continents were joined together as a supercontinent called...

Back

Pangaea

Front

As forces deep within earth stretch the crust apart, a rift valley occurs. It continues to stretch until there is ultimately an _______________ basin.

Back

ocean

Front

What force ultimately drives Earth's tectonic plate movement?

Back

energy