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Transcript

  • 1. Minerals and rocks
  • 2. What are Minerals
  • 3. What are Minerals• Minerals: are a solid, natural material made form nonliving substances in the ground
  • 4. What are Minerals• Minerals: are a solid, natural material made form nonliving substances in the ground• Minerals are made up of elements
  • 5. What are Minerals• Minerals: are a solid, natural material made form nonliving substances in the ground• Minerals are made up of elements• Element is a pure substance that can’t be broken down any more
  • 6. Properties of Minerals
  • 7. Properties of Minerals• Luster: The way a mineral reflects light from its surface
  • 8. Properties of Minerals• Luster: The way a mineral reflects light from its surface• 2 General kinds of luster: • Metallic: Looks Shiny • Non-Metallic: Looks Dull
  • 9. Properties of Minerals• Luster: The way a mineral reflects light from its surface• 2 General kinds of luster: • Metallic: Looks Shiny • Non-Metallic: Looks Dull• Hardness: • Moh’s Hardness Scale • Cleavage: Even breaks • Frature: Uneven Brakes or Rough surfaces
  • 10. What are the shapes of a mineral
  • 11. What are the shapes of a mineral• Minerals form patterns
  • 12. What are the shapes of a mineral• Minerals form patterns• crystal is a solid whose shape forms a fixed pattern
  • 13. What are the shapes of a mineral• Minerals form patterns• crystal is a solid whose shape forms a fixed pattern• Gems: Minerals that are rare and beautiful
  • 14. Rock Cycle
  • 15. Rock Cycle• Rock Cycle
  • 16. Rock Cycle• Rock Cycle• A Rock is a solid object made naturally in the Earths Crust
  • 17. Rock Cycle• Rock Cycle• A Rock is a solid object made naturally in the Earths Crust• Most rocks are mixtures of materials
  • 18. Rock Cycle• Rock Cycle• A Rock is a solid object made naturally in the Earths Crust• Most rocks are mixtures of materials
  • 19. Rock Cycle• Rock Cycle• A Rock is a solid object made naturally in the Earths Crust• Most rocks are mixtures of materials• 3 types of Rocks
  • 20. Sedimentary
  • 21. Sedimentary• Pressure cements the sediments together and makes them stick together
  • 22. Igneous
  • 23. Igneous• When Lava cools and hardens
  • 24. Metamorphic
  • 25. Metamorphic• Rock that forms when sedimentary and igneous rocks change under heat and pressure