Amplify Plate Motion Test Review

What is the correct definition of a cross section?

Earth's entire outer layer is made of hard solid rock, even in oceans.

Which of the following is a pattern that geologists use in their studies of plate motion?

Why are fossils helpful in studying plate motion?

Earth's outer layer has the consistency of what?

Which rock layer is the oldest?

How do scientists calculate the current movement of plates?

Earthquakes and volcanoes cause plate motion.

How did scientists figure out what composes the outer layer of Earth?

What do scientists use in the oceans to "listen" to plate boundary movement?

In a convergent plate boundary, the earth's outer layer disintegrates into the what?

What is wrong with this picture of a divergent plate boundary?

Why did we briefly study Iceland in this plate motion unit?

A mid ocean ridge is found between the continents of Africa and South America.

Mid ocean ridges form at what type of plate boundary?

Trenches form at what type of plate boundary?

This picture shows what type of plate boundary?

About how far does the African and South American plate move per year?

How do we know how far plates moved millions of years ago when humans weren't around?

It is most likely that the South America and Africa plate moved apart...

Mesosaurus were able to swim long distances. This is why they were found on 2 continents.

Which answer choice is showing a cross section?

Earthquakes and volcanoes are found at both types of plate boundaries.

What was the correct name of the super continent made of 5 continents that was part of Pangea?

Which of the following is evidence that our plates were once together as a super continent?

Which letter is correctly pointing to the mantle?

Who was the scientist that was scrutinized for his ideas on plate tectonics?

Which of the following would happen if the mantle's consistency was more solid?