What is rainwater harvesting?
At which temperature does water turn into ice?
Water continually circulates between the Earth’s surface and atmosphere. This process is called:
What is the main reason behind the downward flow of water?
Whether an object sinks or floats depends upon its:
Which of these diseases are more prevalent in areas with poor sanitary conditions?
The picture shows a tourist place in Hampi. This is a traditional well with multiple
steps around it. The technique of pulling water with rope and basket is not much
seen here. What it is called?
Drainage water is also used for irrigation. It is a:
Look at the following picture carefully and find out which of the labelled parts is called filtrate?
In which of the following ways can we use water?