Power materials

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Power materials

  1. 1. UNIT 9
  2. 2. Some materials are better for a purpose than others.
  3. 3.  Windows are made of glass because glass is transparent.
  4. 4.  Houses are made from bricks because bricks are rigid.
  5. 5. Magnetism
  6. 6. Some objects are attracted to magnets.  These objects are  magnetic.
  7. 7.  Only objects made from metal are magnetic.
  8. 8. Bending Twisting Stretching Squashing
  9. 9. Bend
  10. 10. Natural and Manufactured materials
  11. 11.  Natural materials are made by nature.
  12. 12.  Manufactured materials are made by people.
  13. 13.  Many materials become hard when cooled and soft when heated.

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