Download - Lesson 1
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Minerals and rocks
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What are Minerals
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What are Minerals
• Minerals: are a solid, natural material made form nonliving substances in the ground
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What are Minerals
• Minerals: are a solid, natural material made form nonliving substances in the ground
• Minerals are made up of elements
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What are Minerals
• Minerals: are a solid, natural material made form nonliving substances in the ground
• Minerals are made up of elements
• Element is a pure substance that can’t be broken down any more
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Properties of Minerals
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Properties of Minerals• Luster: The way a mineral reflects light from its
surface
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Properties of Minerals• Luster: The way a mineral reflects light from its
surface
• 2 General kinds of luster:
• Metallic: Looks Shiny
• Non-Metallic: Looks Dull
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Properties of Minerals• Luster: The way a mineral reflects light from its
surface
• 2 General kinds of luster:
• Metallic: Looks Shiny
• Non-Metallic: Looks Dull
• Hardness:
• Moh’s Hardness Scale
• Cleavage: Even breaks
• Frature: Uneven Brakes or Rough surfaces
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What are the shapes of a mineral
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What are the shapes of a mineral
• Minerals form patterns
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What are the shapes of a mineral
• Minerals form patterns
• crystal is a solid whose shape forms a fixed pattern
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What are the shapes of a mineral
• Minerals form patterns
• crystal is a solid whose shape forms a fixed pattern
• Gems: Minerals that are rare and beautiful
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Rock Cycle
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Rock Cycle
• Rock Cycle
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Rock Cycle
• Rock Cycle
• A Rock is a solid object made naturally in the Earths Crust
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Rock Cycle
• Rock Cycle
• A Rock is a solid object made naturally in the Earths Crust
• Most rocks are mixtures of materials
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Rock Cycle
• Rock Cycle
• A Rock is a solid object made naturally in the Earths Crust
• Most rocks are mixtures of materials
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Rock Cycle
• Rock Cycle
• A Rock is a solid object made naturally in the Earths Crust
• Most rocks are mixtures of materials
• 3 types of Rocks
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Sedimentary
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Sedimentary
• Pressure cements the sediments together and makes them stick together
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Igneous
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Igneous
• When Lava cools and hardens
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Metamorphic
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Metamorphic
• Rock that forms when sedimentary and igneous rocks change under heat and pressure