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Unit 4 Minerals and Rocks

  •  English    20     Public
    Social Science
  •   Study   Slideshow
  • All minerals are ................................., ..........................substances whick occur naturally
    inorganic, sold
  •  15
  • True or False. Some minerals can have just one chemical component like graphite
    true
  •  15
  • Rocks are formed by ........................ or ................. types of minerals
    one or more
  •  15
  • Where the igneous rock came from ?
    These rocks form when volcanoes erupt and the magma or lava cools down and solifies
  •  15
  • Sedimentary rocks are made of ..................... of other rocks
    fragments
  •  15
  • Granite is a ......................... rock
    igneous rock
  •  15
  • Metamorphic rocks form when .................................. or ..................... rocks near the surface of the Earth push down .
    igneous or sedimentary
  •  15
  • Sometimes the action of ................................ can expose igneous rock and metamorphic rocks at the surface
    volcanoes
  •  15
  • ........................ is a hot liquid stone inside of a volcano.
    Magma
  •  15
  • True or false.All minerals are organic
    False. All minerals are inorganic
  •  15
  • The external part of the Earth is called the ....................
    crust
  •  15
  • The properties of minerals are ..................................... , ............................. and ....................
    colour, shape and hardness
  •  15
  • Hardness : Mineral can be ............................. or ......................
    hard and soft
  •  15
  • Based on the Mohs scale minerals go from 1 ( ....................... ) to 10 ( ........................)
    softest to hardest
  •  15
  • Some minerals like diamonds are used in................. as precious stones
    jewerly
  •  15
  • Some rocks such as limestone are useful in......................................
    building industry
  •  15