Across
- 3. Outermost physical layer of the Earth
- 4. This chemical layer is made mostly of Nickel and Iron
- 6. Convection takes place in this chemical layer
- 7. Innermost physical layer of the Earth
- 8. Tectonic plates float on this physical layer
Down
- 1. Thickest physical layer of the Earth
- 2. This chemical layer is made mainly of oxygen, silicon, and aluminum
- 5. Physical layer made of liquid metal