Across
- 2. this rock has remains of animals and plants
- 5. it means 'changing form'
- 7. a name given to a super continent
- 8. Layer of the Earth above the mantle
- 9. this layer has a thickness of 2900km
Down
- 1. type of sedimentary rock used for burning
- 3. the name given to molten rock from volcanos
- 4. all rocks have them
- 6. the hottest layer of the eart gemstones expensive, colourful stones used to make