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Across 1. Materials that settle out of water or air 5. Birthstone for June 7. Type of lava that is ropey with a glassy/plastic skin 9. ______ Principle: Water displaced by a substance is equal in volume to the substance 11. Father of modern geology (2 Words) 12. All silicates contain oxygen and _____ 14. Todays atmosphere contains 78% of this gas 16. A crystal group 18. Magma and _____ form different types of igneous rocks 19. An arrangement of minerals in flat or wavy parallel bands 22. Mineral formed when water evaporates in a hot shallow part of the ocean 24. Limestone is made up of carbonate materials such as this 25. Type of mining that uses explosives to remove underlying rock (2 Words) 27. Limestone is the parent rock of _____ 28. Solid in which the atoms are arranged in an orderly 3D repeating pattern 29. The smallest particle that an element can be divided into 30. Means shine or no shine 32. Early atmosphere had what % of oxygen? 33. Solid fragments from an eruption

Down 2. If magma cools inside the crust it forms _____ rock 3. Tendency of a mineral to break into irregular pieces 4. When 2 or more elements are combined 6. A type of rock that forms when heat or pressure cause older rocks to change into new types of rock 8. Contains the oceans basin and continents 10. Elements that occur naturally in a solid crystalline form and that are used to form rocks 13. Tendency of a mineral to break along flat surfaces 15. Magma too thick to flow 17. Minerals resistance to being scratched 20. Preserved ancient sand dunes 21. Earths inner core is made up of solid _____ and iron 23. A substance that has all the same type of atoms 26. Density = Mass divided by _____ 27. Molten rock inside the earth 31. Color of the powder left behind when a mineral is scrapped across a surface