What is the outer layer of the earth called?

Draw the structure of the earth.

Lithosphere is made up of ...

How do we know what is beneath the crust?

What does the mantle lie between?

The earths core transfers energy so...

Convection currents...

Describe subduction.

Why is the theory of plate tectonics now widely accepted my scientists?

Who's theory was not accepted?

How did it slowly become accepted?

Why does magma rise up?

Magma can have different...

Why do geologists study volcanoes?

How are different types of igneous rock formed?

What does runny lava produce?

What does thick lava produce?