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Minerals

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  • 1. Minerals Friday, 15 October 2010 Journal Question: What are minerals? Where could you find minerals in nature? How are minerals useful? Plan for the Day: • Notes • Classifying Objects as Minerals • Notes • Begin Mineral Properties Chart
  • 2. Minerals What Is a Mineral? A mineral is a naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition. - Properties of Minerals
  • 3. Minerals Tuesday, 19 October 2010 Journal Question: Amber is a precious material used in jewelry. It forms when the resin of pine trees hardens into stone. Is amber a mineral? Explain. Plan for the Day: • Notes • Classifying Minerals • Assignment
  • 4. Minerals Calculating Density To calculate the density of a mineral, divide the mass of the mineral sample by its volume. Density = Mass/Volume Practice Problem A sample of calcite has a mass of 324 g and a volume of 120 cm3. What is its density? 324 g ÷ 120 cm3 = 2.7 g/cm3 - Properties of Minerals
  • 5. Minerals Mohs Hardness Scale
  • 6. Minerals Friday, 22 October 2010 Journal Question: The mineral platinum is an element that often occurs as a pure metal. If a sample of platinum has a mass of 430g and a volume of 20 cm3, what is its density? Show your work and explain your unit. Plan for the Day: • Notes • Classifying Minerals • Identifying Minerals • Assignment
  • 7. Minerals Identifying Minerals - Properties of Minerals Geologists classify crystal structures into six groups based on the number and angle of the crystal faces.
  • 8. Minerals Cleavage and Fracture
  • 9. Minerals Special Properties
  • 10. Minerals Crystal Systems Activity Click the Active Art button to open a browser window and access Active Art about crystal systems. - Properties of Minerals
  • 11. Minerals Mineral Density Use the line graph of the mass and volume of pyrite samples to answer the questions. - Properties of Minerals
  • 12. Minerals Mineral Density 50 g; 10 cm3 Reading Graphs: What is the mass of Sample B? What is the volume of Sample B? - Properties of Minerals
  • 13. Minerals Mineral Density 5 g/cm3 Calculating: What is the density of Sample B? - Properties of Minerals
  • 14. Minerals Mineral Density 100 g; 20 cm3 Reading Graphs: What is the mass of Sample C? What is the volume of Sample C? - Properties of Minerals
  • 15. Minerals Mineral Density 5 g/cm3 Calculating: What is the density of Sample C? - Properties of Minerals
  • 16. Minerals Mineral Density The density of samples B and C is the same. Comparing and Contrasting: Compare the density of Sample B to that of Sample C. - Properties of Minerals
  • 17. Minerals Mineral Density 8 g Predicting: A piece of pyrite has a volume of 40 cm3. What is its mass? - Properties of Minerals
  • 18. Minerals Mineral Density No; density does not depend on size. Larger samples have more mass, but the ratio between mass and volume is constant. Drawing Conclusions: Does the density of a mineral depend on the size of the mineral sample? Explain. - Properties of Minerals
  • 19. Minerals Data Sharing Lab Click the PHSchool.com button for an activity about sharing data for the Skills Lab Finding the Density of Minerals.
  • 20. Minerals End of Section: Properties of Minerals
  • 21. Minerals Tuesday, 2 November 2010 Journal Question: What is the difference between fracture and cleavage? Graphite is a mineral made up of carbon atoms that form thin sheets. Will graphite break apart with fracture or cleavage? Explain. Plan for the Day: • Collect Assignment • Identifying Minerals • Notes • Making Crystals
  • 22. Minerals Crystallization - How Minerals Form
  • 23. Minerals More on Mineral Formation Click the PHSchool.com button for an activity about mineral formation. - How Minerals Form
  • 24. Minerals End of Section: How Minerals Form
  • 25. Minerals Wednesday, 3 November 2010 Journal Question: Describe what might have happened to form this geode. Plan for the Day: • Go Over Assignment • Look at Mineral Handprints • Notes • Video: Minerals • Change Seats
  • 26. Minerals Uses of Minerals Minerals in Our Environment Rubies Video
  • 27. Minerals Producing Metals from Minerals
  • 28. Minerals Producing Metals from Minerals Strip Mine Shaft Mine Open Pit Mine
  • 29. Minerals Producing Metals From Minerals - Using Mineral Resources Aluminum Video
  • 30. Minerals Producing Metals from Minerals
  • 31. Minerals End of Section: Using Mineral Resources
  • 32. Minerals Friday, 5 November 2010 Journal Question: What type of toothpaste do you use? Why do you use that particular brand? Do you think all toothpaste is equally effective in cleaning teeth? What do you think the active ingredient in toothpaste does? Plan for the Day: • Change Seats • Finish Video • Review Sheet • Lab: A Mouthful of Minerals (pg. 136-137)
  • 33. Minerals Monday, 8 November 2010 Journal Question: Color and luster are both properties of minerals. How are they similar? How are they different? How can each be used to help identify a mineral? Plan for the Day: • Discuss & Hand in Lab • Questions on Review Sheet • Write Jeopardy Questions • Play Jeopardy Note: Test Wednesday!