Layers of the Earth & Plate Boundaries

Front

What is the outermost solid layer of the Earth called?

Back

Crust

Front

Which layer of the Earth is solid?

Back

Inner core

Front

What is a divergent boundary?

Back

A boundary where two tectonic plates move away from each other.

Front

What does the theory of continental drift state?

Back

The continents were once joined in a super-continent and have moved over time.

Front

Where does the heat come from that drives the convection current in the mantle?

Back

The core.

Front

What is the layer beneath the crust called?

Back

Mantle.

Front

What is the inner core made of?

Back

Solid iron and nickel.

Front

What happens at a convergent boundary?

Back

Two tectonic plates collide.

Front

What is the outer core made of?

Back

Liquid iron and nickel.

Front

What is a transform boundary?

Back

A boundary where two tectonic plates slide past each other.