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Thurs. 11/15 and Fri. 11/16

Thurs. 11/15 and Fri. 11/16. Test-Ch. 5 Minerals of the Earth’s Crust today. INB check #1 today. Why is the mineral below considered a crystal? Because it has 4 sides Because it can be broken Because it has a regular, repeating pattern Because it has luster. Pg. 25 Title Page.

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Thurs. 11/15 and Fri. 11/16

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  1. Thurs. 11/15 and Fri. 11/16 • Test-Ch. 5 Minerals of the Earth’s Crust today. • INB check #1 today.

  2. Why is the mineral below considered a crystal? • Because it has 4 sides • Because it can be broken • Because it has a regular, repeating pattern • Because it has luster

  3. Pg. 25 Title Page Chapter 6 • Title(Write out the chapter number and word title). • 3 picts. and 3 keywords • 3 colors

  4. Mon. 11/19 and Tues. 11/20

  5. Two tombstones, located in the same cemetery approximately 10 meters apart, face east. Tombstone A had dates cut into the rock in 1922. Tombstone B had dates cut into the rock in 1892. • Tombstone A contains minerals less resistant to weathering than Tombstone B. • Tombstone A has undergone a longer period of weathering than Tombstone B. • Tombstone A has experienced cooler temperatures than Tombstone B. • Tombstone A was exposed to less acid rain than Tombstone B. Which statement best explains why the dates are more difficult to read on Tombstone A than on Tombstone B?

  6. In: Pg. 25 What is the title of section 6.1 in the book?

  7. Thru 1: Pg. 26 6.1 Rocks and the Rock Cycle SQ3R • Read pages 125-128 of the text book and complete the SQ3R sheet for these pages.

  8. Thru 2 Pg. 27 Analysis Questions: • Which processes turn rock into: • Sediments • Magma • Metamorphic rock • What turns magma into igneous rock? • What turns sediments into sedimentary rock? Pg. 28 Rock Cycle Cutout Activity. • Cutout the arrows and pictures from the “Cutout Sheet”. • Glue them in the appropriate place on the “Rock Cycle” Diagram.

  9. Add to Table of Contents • The Rock cycle Page 32 • Rock notes Page 33

  10. What is a Rock? • Rocks = Naturally-occurring mixtures of minerals, mineraloids, glass or organic matter.

  11. What is the difference between a rock and a mineral? Rocks are made up of ONE or MORE minerals. A rock can have once-living material in it.

  12. Once a rock is formed, does it stay the same rock forever? • NO!

  13. Rocks are continually changed by many processes, such as weathering, erosion, compaction, cementation, melting, and cooling. • Rocks can change to and from the three types: 1. Igneous 2. Sedimentary 3. Metamorphic

  14. What is the process through which rocks change? • The Rock Cycle—the process through which earth materials change back and forth among the different types of rocks.

  15. IGNEOUS SEDIMENTARY Out Draw on page 32 Weathering, Erosion, Compaction, Cementation Heat and Pressure Melting, Solidification Melting, Solidification Weathering, Erosion, Compaction, Cementation METAMORPHIC Heat and Pressure

  16. Assignment: Construct a Rock cycle

  17. Out Fill in the blanks with: Igneous rock Sedimentary rock Metamorphic rock Weathering, Erosion, Compaction, Cementation Heat and Pressure Melting, Solidification Melting, Solidification Heat and Pressure Weathering, Erosion, Compaction, Cementation

  18. Wed. 11/21 and Mon 11/26 • Quiz #3

  19. Quiz #3 • What is the title of chapter 6? Pg 25 • What page is the SQ3R for section 6.1 taped on? • What are the 3 types of rocks? Pg 27 • What process turns rock into sediments? Pg 27 • What type of rock forms from magma? Pg 27 • What type of rock forms from heat and pressure? Pg 27

  20. What is a rock? • What is the difference between a rock and a mineral?

  21. IGNEOUS SEDIMENTARY METAMORPHIC Fill in the blanks with: Igneous rock Sedimentary rock Metamorphic rock Weathering, Erosion, Compaction, Cementation Heat and Pressure Melting, Solidification Melting, Solidification Heat and Pressure Weathering, Erosion, Compaction, Cementation

  22. Metamorphic rock forms when the structure of pre-existing rock is changed. What processes can change rock in this manner? • a. Extruding and Cooling • b. Compaction & Cementation • c. Weathering & Erosion • d. Heat & Pressure

  23. Video on Minerals and Rocks

  24. Add to table of contents • Tunka-Shila Questions Pg. 34 • Rock types Pg. 35

  25. Tunka-Shila, Grandfather Rock • What process in the rock cycle does Paragraph A describe? • What type of rock is being formed? • What process in the rock cycle does Paragraph B describe?Paragraph B? • What type of rock is being formed? • What are your feelings about this story? Did it help you learn about rocks? Did it help you to understand how other cultures view the formation of our planet?

  26. Thru 2 Pg. 31 Uses of Pumice worksheet—do both sides! • Homework! Pg. 32 Cornell Notes-Ch. 6 Rocks

  27. Ch. 6 Rocks Thru 2 Chapter 6 Rocks Cornell Notes-Pg. 32

  28. What are the types of rocks? • Rocks are divided into 3 groups based on how they were formed: • IGNEOUS • SEDIMENTARY • METAMORPHIC

  29. Igneous Rocks • “Ignis” = Latin for “fire” • Formed from the cooling of either magma or lava • The most abundant type of rock • Classified according to their origin and composition

  30. ORIGIN— Where rocks are formed • Below ground = from magma (intrusive igneous rock) • Usually have LARGE crystal grains (they cooled slowly)

  31. Above ground = from lava (extrusive igneous rock) • Usually have SMALL or NO crystals (they cooled too quickly)

  32. Some have large & small crystals (called porphyritic)

  33. Peridotite: Intrusive or Extrusive? Why?

  34. Granite: Intrusive or Extrusive? Why?

  35. Porphyry: Intrusive or Extrusive? Why?

  36. Obsidian: Intrusive or Extrusive? Why?

  37. COMPOSITION— What kind of substances the rocks are made of.

  38. Basalt(a mafic rock that is rich in iron and magnesium)

  39. Granite (a felsic rock that is rich in silica)

  40. Diorite (an intermediate rock that has mafic and felsic rocks in it)

  41. Sedimentary Rocks • Formed from sedimentsthat are pressed or cemented together. • Sedimentary rocks represent 7% of the Earth’s crust, but they cover 70% of the Earth’s surface.

  42. Sediments • Rock fragments, mineral grains, animal & plant remains. • Water or wind breaks down rock.

  43. These sediments are moved by wind, water, ice or gravity. • Then they are deposited (dropped)

  44. What turns sediments into solid rock? • Compaction=The heavy sediments press down on the layers beneath causing the sediments to fuse together.

  45. Cementation=Dissolved minerals flow between the particles and cement them together.

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