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SS1: PHYSICS – 3RD TERM

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  1. Production of Electric Current | Week 1
    6 Topics
    |
    1 Quiz
  2. Electric Current | Week 2
    5 Topics
    |
    1 Quiz
  3. Electrical Resistance of a Conductor | Week 3
    5 Topics
    |
    1 Quiz
  4. Particulate Nature of Matter | Week 4
    5 Topics
    |
    1 Quiz
  5. Crystalline and Non-crystalline Substances | Week 5
    3 Topics
    |
    1 Quiz
  6. Elastic Properties of Solids | Week 6 & 7
    4 Topics
    |
    1 Quiz
  7. Fluids at Rest & in Motion | Week 8 & 9
    6 Topics
    |
    1 Quiz
  8. Solar Collector
    3 Topics
    |
    1 Quiz



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This is a material that lacks the long range order that is characteristic of a crystal. 

Non-crystalline solids have irregular, curved surfaces which do not give x-ray diffraction pattern and are easily softened in a range of temperature with no definite shape.

Examples of amorphous substances are plastic and glass.

Amorphous solids usually consist of long, chainline molecules that are intertwined like strands of earthworm.

Non-crystalline substances are insoluble and anhydrous and are always super cooled.

Chain-like molecules of amorphous substances
Chain-like molecules of amorphous substances.

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