SSC Worksheet for chapter-2 World Of Matter class 9

Worksheet For class 9

Fill in the Blanks

  1. The amount of matter in a body can be expressed by its _________.
  2. An object sinks into a liquid because its __________is_________ compound to that of the liquid.
  3. Arrange in increasing order of molecular movement in different states of matter.
  4. Liquid is more rigid than _________.
  5. State matter can be changed by ___________.
  6. In process of sublimation, there is no __________state.

Desc​riptive

  1. What do you understand by crystal lattice?
  2. What are different states of a matter ? Differentiate them.
  3. Differentiate vaporization and evaporation.
  4. A piece of wax does not produce light on burning. However, a wax candle laminations. Explain.

For other SSC Worksheet for class 9 Science check out main page of Physics Wallah.

Solutions

  1. Mass
  2. density, higher
  3. Solid state< liquid state < gaseous state
  4. Gases
  5. Heating (or supplying energy)
  6. Liquid

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