Across
- 5. a course grain igneous rock
- 6. rocks are made up of these
- 8. a force that increases as you go deeper underground
- 10. like metal
- 12. the layer of the earth just below the crust
- 15. a word that describes how hard something is
- 17. the second layer from the centre of the earth
- 19. has a mohs hardness scale of 7
- 20. the process by which sediment is moved
- 21. this describes how reflective a rock is
- 23. a type of rock used to make buildings and sculptures
- 25. you are most likely to find fossils in this type of rock
- 26. the science of studying the earth
- 27. glassy volcanic rock
Down
- 1. the very centre of the earth
- 2. the rock formed by the solidification of lava
- 3. this is how rocks are broken down is size
- 4. extrusive igneous rock has small one of these
- 6. molten rock that is still underground
- 7. the layer of the earth on which we live
- 9. a physical quantity that expresses hot and cold
- 11. The Rock __________
- 13. the planet on which we live
- 14. to change into another form
- 16. a word used to describe how big something is
- 18. you need intense heat and pressure to form this type of rock
- 21. molten rock
- 22. you get these when you scratch a rock sample on a unglazed tile
- 24. the building blocks of sedimentary rock