Rain, Thunder and Lightning

1.
Fill in the blanks.
1. Water exists in three states- ___________, ___________ and ___________.
2. Change of water into water vapour is called ___________.
3. A large collection of tiny droplets of water is called ___________.
4. ___________ is a device used to prevent tall buildings from the attack of lightning.
2.
Tick (√) the correct answer:
1. The main sources of water are ______________.
  1. rivers
  2. oceans
  3. ponds
  4. all of these
2. Precipitation may fall as ______________.
  1. snow
  2. rain
  3. hail
  4. all of these
3. A process that changes water into vapour is called ______________.
  1. melting
  2. condensation
  3. evaporation
  4. precipitation
4. Clouds involve ______________.
  1. air
  2. dust
  3. water droplets
  4. all of these
5. Ice is ______________ in the solid state.
  1. solid
  2. water
  3. gas
  4. all of these
3.
Fill in the blanks:
1. ________________ is the process of conversion of liquid in vapour.
2. ________________ is the process of conversion of vapour into liquid.
3. Clouds contain ________________.
4. Ice is the ________________ state of water.
5. Lightning takes place due to ________________ of electricity between oppositely charged clouds.
4.
Write 'T' for true and 'F' for false:
1. Most of the water is found in the form of ice.
2. Rivers are the main sources of water.
3. Water exists only in liquid state in nature.
4. Electrostatic charges are built up due to friction.
5. The change of ice into water is called melting.

5.

Match the following:

Column I	Column II
1. Natural phenomena	a. Prevents tall buildings from lightning
2. Water is liquid	b. Converts liquid into vapour
3. Lightning conductor	c. Solid, liquid and gas
4. Evaporation	d. At room temperature
5. Three states of water	e. Cyclic phenomena

6.
What are the three states of water?

14 more answer(s) available.