GRADE 4 UNIT 4 THE STRUCTURE OF THE EARTH

The thin outer layer of the Earth where we live.

• Crust

• Mantle

• Inner core

• Outer core

The crust is formed of ....

The crater can be found in .... layer.

The Pacific Ring of Fire is found in .... layer

Which layers consist of liquid metals?

The mantle layer's is .... than the crust layer.

• deeper

• thicker

• thinner

• longer

The melted rocks in the mantle are called ....

In the mantle, the temperature rises to .... degree Celsius.

• 5000

• 7000

• 10000

• 1000

The Earth's layer that is made up of iron and nickel

Name the Earth's layer in yellow colour.