
The phenomenon of changing a liquid into solid is known as:
melting
evaporation
freezing
condensation

Important Questions on Changes Around Us
The statement given below is incorrect. Write the correct statement.
The release of water vapour from plants is called evaporation.

Look at the figure and answer the question.
What happens during process D?



Look at the figure and answer the question.
Explain what is happening to water at B.

What is one way of water which looks like air?


Fill in the blank. Use the words given below.
(Scientists, Science, evaporates, weighs, water)
The water _____ on heating.

Look at the figure and answer the question.
What is process A?





Snow and ice are _____ forms of water.



Write ‘S’ for serious and ‘J’ for joking.
Ice cubes are the solid form of water.

Match the statements in Column A with those in Column B.
Column A | Column B |
1. A mixture of water vapor, dust particles and air on high altitude. | (a) Drought |
2. Journey of water from ocean to land and back to the ocean | (b) Water harvesting |
3. Collection of rooftop rainwater. | (c) Cloud |
4. A situation caused by no rain for a year. | (d) Water cycle |

The statements given below is incorrect. Write the correct statement.
Clouds are formed when condensation of water vapour takes place on ice particles.


