Available Answers

1. 1.

   Fill in the blanks with the correct word.

   1. Movement of the Earth around the sun is known as _____________ (rotation/revolution).
   2. The amount of water present in the air is called _____________ (water/water vapour).
   3. Movement of the Earth on its own axis is called _____________ (revolution/rotation).
2. 2.

   Multiple Choice Questions.

   1. _____________ is not part of the water cycle.
      1. Land breeze
      2. Rainfall
      3. Condensation
   2. In Sea breeze, the wind blows from ______________.
      1. land to sea
      2. sea to land
      3. None
   3. When water vapour condenses on dust particles ____________ is formed.
      1. snow
      2. dew
      3. fog
   4. The process in which insoluble impurities are settled down at the bottom of the container is known as ______________.
      1. Evaporation
      2. sedimentation
      3. filtration
   5. ____________ process is not used in purification of water.
      1. Evaporation
      2. Boiling
      3. Decantation
3. 3.

   Write T for the true statement and F for the false one.

   1. Land breeze blows during the day.
   2. Cold air is light and rises.
   3. The sun causes all weather changes.
   4. Filtration is better than sedimentation and decantation process.
   5. Wind changes the state of water.
4. 4.

   Give two examples for each of the followings.

   1. Forms of water
   2. Products of condensation
   3. Methods of purification of water
   4. Uses of water
5. 5.

   What is weather?