monday, january 30, 2012
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Monday, January 30, 2012. No HW; Test Friday, February 3, 2012 Warm Up – 1) If you use your fingernail to scratch a mineral, what property of the mineral are you testing? 2) If you rub a mineral against a tile to see the color of its powder, what property of the mineral are you testing?. - PowerPoint PPT PresentationTRANSCRIPT
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Monday, January 30, 2012Monday, January 30, 2012
• No HW; Test Friday, February 3, 2012• Warm Up –
1) If you use your fingernail to scratch a mineral, what property of the mineral are you testing?2) If you rub a mineral against a tile to see the color of its powder, what property of the mineral are you testing?
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AgendaAgenda
• Review Study Guide• Review Games
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DefinitionDefinition
• A rock is a solid mixture of minerals and other materials.
• A mineral is a naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition.
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3 Types of Rocks3 Types of Rocks
• Sedimentary rocks forms from particles from other rocks, or remains of plants and animals that are compacted and cemented together. Fossils are found in these rocks.
• Igneous rocks form when magma or lava cools.
• Metamorphic rocks form when a rock is changed by heat and pressure.
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To identify a mineral: SNIFC it out!To identify a mineral: SNIFC it out!
• Solid– Cannot be a liquid or a gas
• Naturally Occurring– Found in nature, not man-made
• Inorganic– Is not alive and never was, non-living (generally not made from Carbon)
• Fixed composition– Has a chemical formula, most are formed from compounds of two or more
elements, some minerals consist of one element ex. Au
• Crystal Form– A definite structure in which atoms are arranged
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Identifying MineralsIdentifying Minerals
1. Color2. Streak – color of a mineral’s powder3. Luster – way a mineral reflects light 4. Density – mass per unit volume5. Hardness – uses a scratch test6. Crystal Systems7. Cleavage & Fracture – cleavage splits easily
along flat surfaces; fracture breaks in a irregular way
8. Special Properties – magnetism, fluorescence
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1) Mineral 4) gemstone2) Rock 5) ore3) Crystal or polyhedron
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5) Magnet6) Luster7) Streak
1) Cleavage2) Hardness3) Fracture4) Crystal
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Rock Cycle AnimationsRock Cycle Animations
• http://www.learner.org/interactives/rockcycle/diagram.html
• http://www.phschool.com/atschool/phsciexp/active_art/rock_cycle/index.html
• http://www.quia.com/files/quia/users/stephene/ES56_match_2.swf
• http://www.smithsonianeducation.org/students/smithsonian_kids_collecting/Rocks.swf
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BrainPOP: Mineral IDBrainPOP: Mineral ID
http://www.brainpop.com/http://www.brainpop.com/science/earthsystem/science/earthsystem/mineralidentification mineralidentification
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BrainPOP: Rock CycleBrainPOP: Rock Cycle
http://www.brainpop.com/http://www.brainpop.com/science/earthsystem/rockcycle/ science/earthsystem/rockcycle/
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I am …I am …
Vocabulary GameVocabulary Game