Across
- 5. The Earth is 4.6 ? years old
- 8. Thin, fragile layer of gases that surround the Earth
- 11. ? Revolution - started around 1750 in the UK
- 12. Rocks changed by great heat and pressure
Down
- 1. Rock type formed under the sea in layers
- 2. ? power that uses the energy released from splitting atoms
- 3. Uses fast-flowing water to turn generators
- 4. Formed from the remains of dead plants
- 6. A resource that is replaced in less time than an average human life
- 7. Type of weathering when water gets into cracks in rocks (6-4)
- 9. The water on the surface of the Earth in oceans, rivers, lakes, and rain
- 10. Responsible for transporting gas and electricity from where it is produced to where it is consumed