Structure of the earth

Name the layer labelled D

• outer core

• mantle

• crust

• inner core

Name the layer labelled C

• inner core

• crust

• outer core

• mantle

Name the layer labelled B

• mantle

• crust

• inner core

• outer core

Name the layer labelled A

• outer core

• crust

• inner core

• mantle

Which layer of the Earth is the thickest?

• crust

• outer core

• mantle

• inner core

The inner core is made up of ________ metal

• solid

• liquid

The outer core is made up of _________ metal

• solid

• liquid

What is the name of the supercontinent that formed from about 200-100  million years ago?

• Pangaea
• Laurasia

Convection currents are due to

• super hot core
• weather
• magnetic field

During convection currents, _____ dense material rises, and _______ dense material sinks.

• less, more
• more, less