Energy, Force, Machine, and Work


Available Answers

  1. 1.

    Observe and write.


    1. An aeroplane needs _______ to fly.

    2. A lamp needs kerosene to make  it give _______.

    3. A fire needs coal or _______ to burn.

    4. A bullocks cart need Bullocks to _______ it forward.

    5. A water wheel needs _______ to make its wheel turn.

    6. A windmill needs  _______ to make it work.
  2. 2.
    Which natural source of energy source is used most?
  3. 3.
    Which natural source of energy is used the least?
  4. 4.
    Which are used in your home and school?
  5. 5.
    List five different forms of energy.
  6. 6.
    How can you recycle more at home and at school?
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