Types of Rocks - PowerPoint PPT Presentation

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Types of Rocks

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Types of Rocks Igneous- the type of rock that forms From melted material Sedimentary- the type of rock that forms As pieces or sediments press together – PowerPoint PPT presentation

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Title: Types of Rocks


1
Types of Rocks
  • Igneous- the type of rock that forms
  • From melted material
  • Sedimentary- the type of rock that forms
  • As pieces or sediments press together
  • Metamorphic- the type of rock that forms
  • From changes to other rocks
  • (Starting text page 74)

2
The Rock Cycle
3
Rock Material
  • The earths crust or litohsphere is made of rocky
    material.
  • Rocks are made of minerals that are pressed
    together
  • Geologists observe the color and texture of rocks
    to determine their composition or make up. (See
    text page 76)

4
Words to know
  • Igneous
  • Metamorphic
  • Sedimentary
  • Sediments
  • Intrusive igneous rock
  • Extrusive igneous rock
  • Fine grained
  • Coarse grained
  • Grain pattern
  • Conglomerate
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