Plate Tectonics Review

Front

What layer of the Earth is responsible for convection currents?

Back

The Mantle.

Front

What happens to cooler substances in a convection current?

Back

They sink.

Front

What is the primary force that drives the movement of continents?

Back

Convection Currents.

Front

What is a convection current?

Back

A process where warmer, less dense material rises and cooler, denser material sinks, creating a cycle.

Front

Which layer of the Earth is solid and composed mainly of iron and nickel?

Back

The Inner Core.

Front

What is the outermost layer of the Earth called?

Back

The Crust.

Front

What is the difference between the lithosphere and the asthenosphere?

Back

The lithosphere is the rigid outer layer of the Earth, while the asthenosphere is the semi-fluid layer beneath it.

Front

What is the role of the mantle in plate tectonics?

Back

The mantle's convection currents drive the movement of tectonic plates.

Front

What is an example of a phenomenon that is NOT a convection current?

Back

A yo-yo going up and down as you pull on the string.

Front

How do convection currents affect the Earth's surface?

Back

They cause the movement of tectonic plates, leading to earthquakes, volcanic activity, and mountain building.