Minerals and Rocks - PowerPoint PPT Presentation

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Minerals and Rocks

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Minerals and Rocks What do we know? luster How a mineral shines The reflection How glossy it is How shiny it is What is it? cleavage How a mineral splits How it ... – PowerPoint PPT presentation

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Title: Minerals and Rocks


1
Minerals and Rocks
  • What do we know?

2
luster
  • How a mineral shines
  • The reflection
  • How glossy it is
  • How shiny it is
  • What is it?

3
cleavage
  • How a mineral splits
  • How it breaks apart
  • Cubes or flat planes
  • What is it?

4
hardness
  • Easily scratched
  • Mohs Scale
  • How tough it is
  • What is it?

5
streak
  • Powder of a mineral
  • Color of its powder
  • What is it?

6
igneous rocks
  • Melted or molten
  • Deep within Earth
  • Cool then harden
  • Volcano Rocks
  • What is it?

7
metamorphic rocks
  • Existing rocks that change
  • Heat, pressure, chemicals
  • Transformer rocks
  • Were once igneous
  • Were once sedimentary
  • What is it?

8
sedimentary rocks
  • Sand particles of rock
  • Bits of soil
  • Bits of rocks
  • Once living things
  • Cemented together
  • What is it?
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