TNSB - 7 - Science :: Water - A precious resource
Go To: TNSB-Science-Grade 7
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[Contributor - Kripa S]
http://www.textbooksonline.tn.nic.in/Books/Std07/Std07-III-MSSS-TM-2.pdf#page=14 (Tamil Medium)
http://www.textbooksonline.tn.nic.in/Books/Std07/Std07-III-MSSS-EM-2.pdf#page=14 (English Medium)
[Contributor - Kripa S]
https://www.youtube.com/watch?v=9pqh6tlEOhs (water cycle in English)
https://www.youtube.com/watch?v=93BqLewm3bA&t=40s (water pollution -English)
[Contributor - Anu Nived]
http://images.slideplayer.com/26/8393357/slides/slide_21.jpg (forms of water)
http://www.mppcb.nic.in/images/rwh_benefit.jpg (rain water harvesting)
https://upload.wikimedia.org/wikipedia/commons/a/ac/Button_dripper.JPG (drip irrigation)
[Contributor - Kripa S]
1.You are a water detective in your school. You have a team of six members. Survey the campus and make a note of the following:
(a) Total number of taps
(b) Number of taps leaking
(c) Amount of water wasted due to leakage
(d) Reasons of leakage
(e) Corrective measures taken
[Contributor - Gayathri Arun]
https://drive.google.com/open?id=0BzNF2YyqQxJ-UFB3R3k0bWkxME0 (Answer Key 1)
[Contributor - Gayathri Arun]
https://drive.google.com/open?id=0BzNF2YyqQxJ-UFB3R3k0bWkxME0 (Worksheet 1)
https://drive.google.com/open?id=0B4m07xnDF8JpVTc1dWhvcWswUjA (Worksheet 2)
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