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1 Word Bank 1 lava sediment cement cycle exterior Remove to reveal word ban Jun 30 9:03 AM Word Bank 2 rock sediment compact interior morph Remove to reveal word bank. Jun 30 12:21 PM 1

2 What is a rock? pg. 36 Ch2 sec. 1 Rocks are made of minerals, organic matter (fossils, decayed matter), cooled magma, and other. Rock cycle: (fc) Description of how rocks slowly change over time. Apr 29 8:54 AM conservation of matter matter can not be created or destroyed. Only changed from one form to another. example : rock cycle conservation of matter 2

3 Pg. 39 sec. 1 review 1. minerals, rock fragments, volcanic glass, organic matter, and other materials 2. igneous, metamorphic, sedimentary 3. conservation of matter matter can neither be created or destroyed. one type of rock will change to other types but eroded rock will not be destroyed only changed in form sec. 1 review Be able to draw and describe the rock cycle know 3 major types of rock igneous metamorphic sedimentary Apr 29 9:01 AM 3

4 Diagram found at Sep 11 8:50 AM igneous sedimentary metamorphic Diagram found at Sep 11 8:50 AM 4

5 Compare Your Work Compare the class's rock cycle with the one found on this website: rock cycle Section 2 Formation of Igneous Rocks Igneous Rocks (FC) formed from cooled hot magma. Lava (FC) magma that reaches earth's surface 2 types of igneous rock formation 1. Intrusive (FC) rocks formed from magma below the earth's surface. slowly cooled magma produces large individual mineral grains 2. Extrusive (FC) formed from cooling lava on the surface of earth sec. 2 igneous 5

6 Example of extrusive rock: volcanic glass (obsidian), basalt, pumice these rocks will have less arrangement of atom, less visible crystals. 3 classes of igneous rock 1. basaltic (FC) high density dark 2. granitic (FC) lower density light 3. andesitic in the middle of 1&2 43. #4 cooled very quickly few or no minerals can form. igneous extrusive Metamorphic Rock How are various types of metamorphic rock formed? different amounts Heat, pressure, and/or fluids applied to different rocks and minerals Describe the difference between foliated and nonfoliated metamorphic rock. metamorphic 1 6

7 fluids can move through solid rock by heat and cause chemical changes. classes of metamorphic Rock Foliated (FC) pg. 47 rocks that have a flat layered texture or bande texture. Non Floliated (FC) non layered appearance. example is marble metamorphic 2 Sedimentary Rocks Sediments (FC) loose materials such as rock fragments, mineral grains, and bits of shell that have been moved by erosional forces. Sedimentary Rocks (FC) form when sediments are pressed (compacted) and cemented together. older layers of rock are on the bottom sedimentary 1 7

8 Classifying Sedimentary Rocks 1. Detrital made from broken fragments of other rock Rock fragments(sediments) are compacted and cemented. 2. Chemical sedimentary rocks dissolved minerals come out of solution example when salt water evaporates sedimentary 2 Organic Sedimentary rock rocks made from the remains of once living things examples: coal, chalk sedimentary 3 8

9 review for test All vocab. know rock cycle, draw and fill in blanks matter in rock cycle is never created or destroyed only change form (conservation of matter ) how each type of rock is formed 2 ways igneous are formed extrusive, intrusive 3 Igneous rock classes Classes of sedimentary rock detrital, chemical, organic sedimentary how each are formed Jan 22 9:56 AM detrital sedimentary rock chemical sedimentary rock riverbluff cave Riverbluff Cave The Official Website web sites 9

10 Jan 18 11:19 AM 10

Chapter 9 : Rocks and Minerals

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