Stored rainwater can be used for both indoor and outdoor activities.

Evaporation is the process where water changes into ice on heating.

Impure water should be cleaned or purified before use.

Human activities like washing in rivers make them fit for use.

Which of the following is the process by which water changes into ice?

Which of the following is the process by which water slowly changes into vapour?

What happens during condensation?

Which of the following chemicals is added to water to kill germs present in it?

is opposite of evaporation process.

Mud, dust and sand are some examples of impurities.

Drinking impure water can lead to diseases.

When the clouds get heavy with water drops, it falls down in the form of .