Dav Class-4 Ch-9 Purification and Storage of Water (Reading and Explanation) Part -1

Описание: This video explains the concept of safe handling and storage of water. It introduces the three basic methods of purification of water that can be worked out at home. The methods are: Boiling, Chlorination and Filtration.

The topics are covered as per the Ch-9 of Class-4 Science in Dav pattern. The whole chapter is divided into 3 parts. The links are as follows:

Part-1 (This video) (Reading and Explanation)    • Dav Class-4 Ch-9 Purification and Storage ...  

Part-2 (Book Exercise)    • DAV class -4 (Science) Ch-9 Safe Handling ...  

Part-3 (Question Answers)    • Dav Class 4 (Science) Ch-9 Safe Handling A...  

For other chapters of class-3,4, 5,8 (Science and Mathematics) pls visit the channel playlist.

Class-8 Mathematics (NCERT)
   • Class 8 Ncert Mathematics  

Dav Class -5 (Science-My living World)
   • Dav Class-5 Science (My Living World)  


Dav Class-5 Mathematics
   • Dav class -5 Mathematics  


Dav Class -5 Kid wiz (G.K.)
   • Dav class -5 G.k. (Kid Wiz)  


Dav Class-4 Mathematics:    • Dav Class 4 Mathematics  


Dav Class- 4 Science    • Class 4Science My Living World 4  


Dav Class-3 Science    • Class -3 Dav Science My living World 3  


Dav Class -4 Science Tests
   • Dav Class 4 Science Tests  


Dav Class -4 Mathematics Tests
   • Dav Class-4 Mathematics Tests  

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All other chapters of Science and Mathematics for classes 3 and 4 can be found on the channel. If still there are any queries, post a question in the comment box.








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