
Look at the system used by a lady at home.

How does this system help the lady to conserve water?


Important Questions on Water
Look at the system used by a lady at home.
What else can be done to conserve water at home?

Look at the system used by a lady at home.
Why is the conservation of water necessary?

On a heavy rainfall, Bhavya observed a bright electric spark in the sky in night when she was in the balcony of her house.
What was that spark? Why is that spark formed?

On a heavy rainfall, Bhavya observed a bright electric spark in the sky in night when she was in the balcony of her house.
What should Bhavya not do that time?

The given temperature-time graph shows the changes in the temperature of water when heated.
What was the temperature of the water when heating started?

The given temperature-time graph shows the changes in the temperature of water when heated.
Which part of graph (AB or BC) shows that temperature remains constant on continuous heating? State the temperature.


