© fall 2005, pflugerville isd, 8th gradeunit 3 : chapter 15 : section 1 what is a mineral? halite...
DESCRIPTION
© Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 Silicate Minerals Muscovite crystal under microscope Over 90% of the minerals in Earth’s crust are silicates.TRANSCRIPT
![Page 1: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/1.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
What is a Mineral?
Halite Crystal (NaCl)
•Natural, inorganic solid with a crystal structure.
![Page 2: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/2.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Types of Minerals
•Minerals are grouped by the chemicals in them
•Silicate minerals contain silicon and oxygen.
Muscovite crystal under microscope
![Page 3: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/3.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Silicate Minerals
Muscovite crystal under microscope
•Over 90% of the minerals in Earth’s crust are silicates.
![Page 4: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/4.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Nonsilicate Minerals
Calcite (CaCO3)
•Nonsilicates are minerals that do not contain silicon.
![Page 5: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/5.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Nonsilicate Minerals
Calcite (CaCO3)
•Nonsilicates are made of elements such as carbon, oxygen, iron and sulfur
![Page 6: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/6.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Nonsilicate Minerals
Calcite (CaCO3)
•Carbonates, such as calcite, are used in cement, building stone, and fireworks. Carbonates contain carbon and oxygen.
![Page 7: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/7.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Nonsilicate Minerals
Halite (NaCl)
•Halide minerals are used in fertilizer, or to season your food. Halides contain a halogen, such as chlorine, bromine, and iodine.
![Page 8: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/8.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Nonsilicate Minerals
Corundum (Al2O3)
•Oxide minerals are used to make abrasives and aircraft parts. All oxides contain three atoms of oxygen.
![Page 9: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/9.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Nonsilicate Minerals
Gypsum (CaSO4•2H2O)
•Sulfates are used in cosmetics, toothpaste, and paint. All sulfates contain sulfur and oxygen.
![Page 10: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/10.jpg)
Unit A : Chapter 1 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Nonsilicate Minerals
• Sulfides – All minerals in the sulfide group contain sulfur and a metal.
• Native elements – All minerals in this group are found on the periodic table.
![Page 11: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/11.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Identifying Minerals
•Geologists use physical properties such as color, luster, streak, and many others to identify minerals
![Page 12: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/12.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Identifying Minerals
Quartz/Amethyst Scepter (SiO2)
•Quartz and amethyst are both SiO2, but amethyst contains impurities that give it a purple color.
![Page 13: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/13.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Identifying Minerals
Quartz/Amethyst Scepter (SiO2)
•Because a single mineral can be many colors, color is not a reliable way to identify a mineral.
![Page 14: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/14.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Identifying Minerals
Galena (PbS)- Metallic Luster
•The way the surface of a mineral reflects light is called luster
![Page 15: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/15.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Identifying Minerals
Bauxite (Al2O3•2H2O)- Earthy Luster
•Bauxite, the ore of aluminum, has a nonmetallic luster
![Page 16: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/16.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Identifying Minerals
•Streak is the color of a mineral in powdered form
![Page 17: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/17.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Identifying Minerals
•Hematite’s color may change, but its streak is always the same
![Page 18: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/18.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Identifying Minerals
Cleavage Planes
•Fluorite, halite, and calcite all have cleavage along flat
planes. Property of a mineral that allows it to break along smooth, flat planes is its cleavage.
![Page 19: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/19.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Identifying Minerals
Fracture
•Sulfur has fracture, meaning it breaks unevenly
![Page 20: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/20.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Identifying Minerals
•A mineral’s resistance to scratching it is called hardness
![Page 21: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/21.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Identifying Minerals
•Hardness is measured using Mohs’ hardness scale
![Page 22: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/22.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Identifying Minerals
•Density is another property used to identify minerals
![Page 23: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/23.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Identifying Minerals
•More ping-pong balls than golf balls are needed to balance the scale
![Page 24: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/24.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Identifying Minerals
•Which are more dense, golf balls or ping-pong balls?
![Page 25: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/25.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
From Minerals to Rocks
Minerals of Granite
•Rock is a solid mixture of crystals of one or more minerals
![Page 26: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/26.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
From Minerals to Rocks
Coal Limestone•Some types of rock, such as coal and limestone are made of organic materials, not minerals
![Page 27: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/27.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
The Rock Cycle
•The rock cycle is the continuous process by which new rock is formed from old rock material
![Page 28: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/28.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
The Rock Cycle
•Each type of rock can be changed into every other type of rock
![Page 29: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/29.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
The Rock Cycle
![Page 30: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/30.jpg)
Unit 3 : Chapter 15 : Section 2© Fall 2005, Pflugerville ISD, 8th Grade
Igneous: Rock From Magma
What are some positive and some negative effects that volcanoes have on
the people and places around them?
What Do You Think?
![Page 31: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/31.jpg)
Unit 3 : Chapter 15 : Section 2© Fall 2005, Pflugerville ISD, 8th Grade
Igneous: Rock From Magma
Lava Fountain
•All igneous rock starts out as magma inside the earth
![Page 32: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/32.jpg)
Unit A : Chapter 1 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
Igneous: Rock From Magma
Lava “Freezes” into Igneous Rock
•When magma or lava cools down enough, it becomes igneous rock
![Page 33: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/33.jpg)
Unit 3 : Chapter 15 : Section 2© Fall 2005, Pflugerville ISD, 8th Grade
Igneous: Rock From Magma
Intrusive Rock- Granite
•When magma cools beneath the earth’s surface, it forms intrusive igneous rock
![Page 34: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/34.jpg)
Unit 3 : Chapter 15 : Section 2© Fall 2005, Pflugerville ISD, 8th Grade
Igneous: Rock From Magma
Intrusive Rock- Granite
•Large crystals form, and intrusive rock has a coarse texture because it cools very slowly
![Page 35: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/35.jpg)
Unit 3 : Chapter 15 : Section 2© Fall 2005, Pflugerville ISD, 8th Grade
Igneous: Rock From Magma
Extrusive Rock- Obsidian
•Igneous rock that forms on the earth’s surface is called extrusive
![Page 36: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/36.jpg)
Unit 3 : Chapter 15 : Section 2© Fall 2005, Pflugerville ISD, 8th Grade
Igneous: Rock From Magma
Extrusive Rock- Obsidian
•Extrusive rock cools quickly and does not have time to grow large crystals
![Page 37: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/37.jpg)
Unit 3 : Chapter 15 : Section 2© Fall 2005, Pflugerville ISD, 8th Grade
Igneous: Rock From Magma
Extrusive Rock- Obsidian
•Extrusive rock has a fine-grained texture
![Page 38: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/38.jpg)
Unit 3 : Chapter 15 : Section 3© Fall 2005, Pflugerville ISD, 8th Grade
Sedimentary: Rock FromOther Rocks
How are layers of sedimentary rock similar to the rings in a tree? How are they
different? What can geologists learn from studying sedimentary rock layers?
What Do You Think?
![Page 39: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/39.jpg)
Unit 3 : Chapter 15 : Section 3© Fall 2005, Pflugerville ISD, 8th Grade
Sedimentary: Rock FromOther Rocks
•Wind, water, ice, and pressure all cause rock to break into pieces
![Page 40: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/40.jpg)
Unit 3 : Chapter 15 : Section 3© Fall 2005, Pflugerville ISD, 8th Grade
Sedimentary: Rock FromOther Rocks
Rivers Transport Sediment
•In the process of erosion, rivers move sediment from one place to another
![Page 41: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/41.jpg)
Unit 3 : Chapter 15 : Section 3© Fall 2005, Pflugerville ISD, 8th Grade
Sedimentary: Rock FromOther Rocks
Sedimentary Rock Layers
•Finally, the sediment is deposited in layers
![Page 42: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/42.jpg)
Unit 3 : Chapter 15 : Section 3© Fall 2005, Pflugerville ISD, 8th Grade
Sedimentary: Rock FromOther Rocks
Sedimentary Rock Layers
•After compaction and cementation, sedimentary rock is formed
![Page 43: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/43.jpg)
Unit 3 : Chapter 15 : Section 3© Fall 2005, Pflugerville ISD, 8th Grade
Sedimentary: Rock FromOther Rocks
Calcite Flowstone
•Chemical sedimentary rock forms when minerals crystallize out of a solution of minerals and water
![Page 44: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/44.jpg)
Unit 3 : Chapter 15 : Section 1© Fall 2005, Pflugerville ISD, 8th Grade
From Minerals to Rocks
Coal Limestone•Organic sedimentary rocks such as coal and limestone form from the remains of living things
![Page 45: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/45.jpg)
Unit 3 : Chapter 15 : Section 4© Fall 2005, Pflugerville ISD, 8th Grade
Metamorphic: Cooked Rock
When you mix up cookie dough, the mixture of ingredients is similar to sedimentary rock. How does the cookie dough change when
you place it in a hot oven?
What Do You Think?
![Page 46: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/46.jpg)
Unit 3 : Chapter 15 : Section 4© Fall 2005, Pflugerville ISD, 8th Grade
Metamorphic: Cooked Rock
Contact Metamorphism
•Metamorphic rocks are rocks that have been changed by heat and pressure
![Page 47: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/47.jpg)
Unit 3 : Chapter 15 : Section 4© Fall 2005, Pflugerville ISD, 8th Grade
Metamorphic: Cooked Rock
![Page 48: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/48.jpg)
Unit 3 : Chapter 15© Fall 2005, Pflugerville ISD, 8th Grade
Let’s Review!
- 1 -What are the five
characteristics of a mineral?
How is a mineral different from a rock?
![Page 49: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/49.jpg)
Unit 3 : Chapter 15© Fall 2005, Pflugerville ISD, 8th Grade
Let’s Review!
- 2 -How does the rate of
cooling affect the size of crystals in igneous
rocks?
![Page 50: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/50.jpg)
Unit 3 : Chapter 15© Fall 2005, Pflugerville ISD, 8th Grade
Let’s Review!
- 3 -How does clastic
sedimentary rock form?How does chemical
sedimentary rock form?
![Page 51: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/51.jpg)
Unit 3 : Chapter 15© Fall 2005, Pflugerville ISD, 8th Grade
Let’s Review!
- 4 -What changes occur when
heat and pressure are applied to a rock?
What kinds of rocks can become metamorphic?
![Page 52: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/52.jpg)
Unit 3 : Chapter 15© Fall 2005, Pflugerville ISD, 8th Grade
http://webmineral.comhttp://mineral.galleries.comhttp://www.mindat.org/
![Page 53: © Fall 2005, Pflugerville ISD, 8th GradeUnit 3 : Chapter 15 : Section 1 What is a Mineral? Halite Crystal (NaCl) Natural, inorganic solid with a crystal](https://reader036.vdocument.in/reader036/viewer/2022062413/5a4d1b2f7f8b9ab05999a49b/html5/thumbnails/53.jpg)
Unit 3 : Chapter 15© Fall 2005, Pflugerville ISD, 8th Grade
Pre-AP Extensions