Difference between revisions of "TNSB - 7 - Science :: Water - A precious resource"
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https://drive.google.com/open?id=0BzNF2YyqQxJ-UFB3R3k0bWkxME0 (Answer Key 1) | https://drive.google.com/open?id=0BzNF2YyqQxJ-UFB3R3k0bWkxME0 (Answer Key 1) | ||
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https://drive.google.com/open?id=1-AyGxTAJunexlgxczHaaTIwlR2VlbxrZ (Answer Key 3) | https://drive.google.com/open?id=1-AyGxTAJunexlgxczHaaTIwlR2VlbxrZ (Answer Key 3) | ||
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+ | https://drive.google.com/open?id=1qT5gzqUMrRKMFskTixcEeERALzyjCmuv (Answer Key 4) | ||
=Transliteration= | =Transliteration= |
Revision as of 05:12, 15 February 2018
Go To: TNSB-Science-Grade 7
- Lesson Plan
- Textbook
- Videos
- Images
- Activities
- Additional Aids
- Transliteration
- Worksheets
- Assessments
[Contributor - Preethi Saravanakumar]
Objective: To teach the students about various water forms, distribution and water management.
Subtopics to be covered:
- Sources Of Water (Rain water, Glaciers, ice and snow, River water, Sea and Ocean water, Lake and Pond water)
- Forms Of Water (Solid, Liquid, Gas)
- Depletion Of Water (Natural forces, Human causes, Salt water intrusion, Commercialization of water resources, Sand grabbing from rivers)
- Scarcity Of Water (Factors contributing to the depletion of water table)
- Water Management- Rain Water Harvesting (Advantages)
- Desalination Of Sea Water (Distillation, Reverse Osmosis)
Learning Outcome:
- Students understand the importance of water to humans and they are able to reason how to conserve the precious water.
[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
[Contributors - Gayathri Arun, Sudha Thangaraj]
https://drive.google.com/open?id=0BzNF2YyqQxJ-UFB3R3k0bWkxME0 (Answer Key 1)
https://drive.google.com/open?id=1vW7fq505dgSVcQSsqnt_fRggMO7Fvton (Answer Key 2)
https://drive.google.com/open?id=1-AyGxTAJunexlgxczHaaTIwlR2VlbxrZ (Answer Key 3)
https://drive.google.com/open?id=1qT5gzqUMrRKMFskTixcEeERALzyjCmuv (Answer Key 4)
[Contributor - Gayathri Arun]
https://drive.google.com/open?id=0B4m07xnDF8JpcngzclF3MlMxV3c (Worksheet 1)
https://drive.google.com/open?id=0B4m07xnDF8JpVTc1dWhvcWswUjA (Worksheet 2)
https://drive.google.com/open?id=1Ykw7NIKgV3zuvrkVkAcGdvKA7Abu0pN2 (Worksheet 3)
https://drive.google.com/open?id=1lxHqNYf04THOZPLEFBmaasfOkzfJk0Tx (Worksheet 4)
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