Difference between revisions of "TNSB - 7 - Science :: Water - A precious resource"

[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

2. http://www.arvindguptatoys.com/toys/raingauge.html

[Contributor - Gayathri Arun]

https://drive.google.com/open?id=0BzNF2YyqQxJ-UFB3R3k0bWkxME0 (Answer Key 1)

[Contributor - Gayathri Arun]

https://drive.google.com/open?id=0B4m07xnDF8JpcngzclF3MlMxV3c (Worksheet 1)

https://drive.google.com/open?id=0B4m07xnDF8JpVTc1dWhvcWswUjA (Worksheet 2)