Plate Tectonics and Earth's Structure

Front

What is the theory that explains how the Earth's lithosphere is divided into several large and small plates that move and interact with each other?

Back

Plate Tectonics

Front

Who proposed the theory of continental drift?

Back

Alfred Wegener

Front

What is the name of the supercontinent that existed about 300 million years ago, which later broke apart to form the current continents?

Back

Pangaea

Front

What are the three types of plate boundaries?

Back

Divergent boundaries, convergent boundaries, and transform boundaries

Front

Which type of plate boundary occurs when two plates move away from each other?

Back

Divergent plate boundary

Front

Which type of plate boundary occurs when two plates collide and one is forced beneath the other?

Back

Convergent plate boundary

Front

Which type of plate boundary occurs when two plates slide past each other horizontally?

Back

transform plate boundary

Front

What is the term for the shaking or trembling of the Earth's surface caused by the sudden release of energy in the Earth's crust?

Back

earthquake

Front

Which best describes the relationship between depth into the earth and temperature/density/pressure?

Back

As depth into the earth increases temperature, density, and pressure increase.

Front

Which layers of the earth make up the lithosphere?

Back

Upper mantle and crust