Class 7 Science Water- A Precious Resource Water - A Precious Resource Class 7 ScienceChapter: Water- A Precious ResourceTopic: Distribution of Water & Water Management Water - A Precious Resource Class 7 ScienceChapter: Water- A Precious ResourceTopic: Ground Water Water - A Precious Resource Class 7 ScienceChapter: Water- A Precious ResourceTopic: Depletion of Water Table Water - A Precious Resource Class 7 ScienceChapter: Water- A Precious ResourceTopic: Forms of Water Water - A Precious Resource Class 7 ScienceChapter: Water- A Precious ResourceTopic: Amount of Water Available