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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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Solids:

The molecules in a solid are tightly packed together as a result of intermolecular forces of attraction that held them together. They vibrate about their mean position and have definite shape and volume.

solid

Liquids:

The intermolecular forces of attraction existing between them are weaker compared to that of the solids. They are free to move about within the liquid, colliding with themselves and the walls of the container, hence they acquire kinetic energy.

liquid

Gases:

The molecules are freer to move about and the force of attraction between them is negligible. The collision between the molecules and the walls of the container produces pressure on the walls.

gas

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