Difference between revisions of "TNSB - 8 - Science :: Pollution of Air Land and Water"

[Contributor - Kripa S]

http://www.textbooksonline.tn.nic.in/Books/Std08/Std08-II-MSSS-TM-2.pdf#page=17 (Tamil Medium)

http://www.textbooksonline.tn.nic.in/Books/Std08/Std08-II-MSSS-EM-2.pdf#page=16 (English Medium)

[Contributor - Kripa S]

https://www.youtube.com/watch?v=93BqLewm3bA&t=40s (water pollution -English)

https://www.youtube.com/watch?v=TjnNOCbuoCA (reduce, reuce, recycle)

[Contributor - Anu Nived]

http://userscontent2.emaze.com/images/c470c7c5-56b2-4ba9-92f1-90618692ec18/5acbf344-43fe-41b0-b73a-d2b292df8e93.jpg (water pollution)

http://www.gohomeworkhelp.com/admin/photos/causes-of-air-pollution.jpg (causes of air pollution)

https://previews.123rf.com/images/lenm/lenm1307/lenm130700323/20779974-Illustration-of-Waste-Dump-in-a-Field-Stock-Illustration-pollution-contamination-cartoon.jpg (land pollution)

[Contributor - Kripa S]

1. Try to collect samples of water from a tap, pond, river, well and lake. Pour each into separate glass containers. Compare these for smell, acidity and colour.

[Contributors - Ramkee, Gayathri Arun]

https://drive.google.com/open?id=0BzNF2YyqQxJ-N0VuVHp5em94ZTQ

https://drive.google.com/open?id=0BzNF2YyqQxJ-dXpxeWdxVW9WeXc (Answer Key 1)

[Contributors - Ramkee, Gayathri Arun]

https://drive.google.com/open?id=0BzNF2YyqQxJ-SkEtV0FXY0VUTUU

https://drive.google.com/open?id=0BzNF2YyqQxJ-RnplVmF0NUJPTm8 (Worksheet 1)