Your mother has locked her room and left for school. She has left the bathroom tap running by mistake. What will you do? 

• Call her and ask her to come back immediately.
• Let the tap run.
• Try to open the bathroom door and turn off the tap.
• Close the main supply of water. 
   

Tick (✓) the activity that is healthy for us and for our environment. 

Burn the waste and garbage regularly. 

Tick (✓) to the activity that is healthy for us and for our environment.

Use a handkerchief while sneezing or coughing.

Mention if the given activity is healthy for us or for our environment.

Plant less trees to keep the space open.

Mention if the given activity is healthy for us or for our environment.

Get the vehicles checked regularly for pollution.

Name the process involved in the water cycle where water is converted into water vapour.