CH 4 Plate Tectonics Review

Oceanic crust near the mid-ocean ridge is younger than oceanic crust farther away.

What feature is at point C on the diagram

How did scientists discover the age of rocks relative to mid-ocean ridges?

The process by which the ocean floor sinks beneath another plate is known as?

The place where two plates cometogether is known as a?

Identify The feature labeled E

What are the lateral cracks at G a sign of

The theory of plate tectonics can be used to explain?

The geological theory that states that pieces of Earth’s lithosphere are in motion is...

According to Wegener’s hypothesis of continental drift...

An ancient organism that has been preserved in rock is called a

If subduction occurs faster than oceanic crust can be created, an ocean will expand.

Identify The Feature at A.

What is Pangaea?

In sea-floor spreading,molten material rises from the mantle and erupts...

A place where two plates slippast each other, moving in opposite directions, is known as a

Most geologists think that the movement of Earth’s plates is caused by

What is happening at point D on the diagram

What feature is at point B on the diagram

Mid-ocean ridges form the longest mountain ranges on Earth.

A rift valley forms at a?

What technology did scientists use in the mid-1950s to map the mid-ocean ridge?

Mid-ocean ridges are

The collision between two pieces of continental crust at a converging boundary produces a?

What type of boundary is occurring at point F