Across
- 2. layers, or bands, in rocks
- 4. a scale used to measure the hardness of a mineral
- 7. molten rock that flows out onto the earths surface
- 8. rock rocks that are changed from sedimentary, igneous or other metaphoric rocks by intense pressure and heat
- 11. rock formed when molten rock has cooled and solidified
- 14. sudden release of energy built up in an area on the crust
- 15. something that has lasted from a living thing that died long ago.
- 16. melted
- 17. loose particles of rock or mineral that range in size from 0.0625-2.0 millimetres in diameter
Down
- 1. a solid in which the particles are arranged in a pattern to make shapes with flat surfaces
- 3. sedimentary rock made of rounded pebbles held in together with a matrix
- 5. fine-grained material surrounding larger grains in a sedimentary rock
- 6. igneous rock that forms when magma cools on the earths surface
- 9. a non-living, solid material with particles arranged in a repeating pattern called crystals
- 10. a loose rock larger than 256 millimetres (10 inches)
- 12. all sedimentary particles longer than 2 millimetres
- 13. a layer of sediment or sedimentary rock
- 16. molten rock that is located beneath the earths surface