Earth's History & Structure (Unit 1)

Front

What is the cloud of gas and dust that forms stars and planets called?

Back

Nebula

Front

What is the layer of Earth that is semi-fluid and allows tectonic plates to move?

Back

Asthenosphere

Front

What is the process called that involves the transfer of heat within the mantle, causing magma to rise and fall?

Back

Convection currents

Front

Which layer of the Earth is composed of liquid iron and nickel?

Back

Outer core

Front

What is the difference between relative dating and radiometric dating?

Back

Radiometric dating provides the actual age of things, while relative dating provides the general age of things.

Front

What is the solid outer layer of the Earth called?

Back

Lithosphere

Front

What is the term for the movement of tectonic plates?

Back

Plate tectonics

Front

What is the name of the process by which rocks are broken down and transported?

Back

Erosion

Front

What is the theory that explains the movement of continents over geological time?

Back

Continental drift

Front

What is the name of the layer of Earth that is solid and includes the crust and upper mantle?

Back

Lithosphere