Across
- 1. molten rock that reaches the earths surface
- 8. faling snow
- 9. a large landform that stands out from its surroundings and generally over 600 metres
- 10. earths metallic centre
- 11. frozen liquid
- 12. a biome of large boggy barren areas without trees
- 13. when the ground shakes
- 15. big chunks of ice that floats in water
- 17. flying animal
- 18. how we get our light during the day
Down
- 2. a mountain formed by eruption of material through the earths crust
- 3. a gigantic wave
- 4. a liquid
- 5. permanently frozen subsoil
- 6. fibre optic cable network
- 7. how we get our light at night
- 14. falling rocks
- 16. falling water