Difference between revisions of "TNSB - 8 - Science :: Micro organisms"
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Revision as of 11:25, 4 April 2017
Go To: TNSB-Science-Grade 8
- Lesson Plan
- Textbook
- Videos
- Images
- Activities
- Additional Aids
- Transliteration
- Worksheets
- Assessments
[Author - Anu Nived]
Objective: To teach the students about micro organisms and their uses
Subtopics to be covered:
- Harmful micro organisms and plant diseases
- Man and microbes
Learning Outcome:
- Students know about the various microbes that are harmful and useful to us
- They know about food preservation and pathology
[Author - Kripa S]
http://www.textbooksonline.tn.nic.in/Books/Std08/Std08-I-MSSS-TM-2.pdf#page=43 (Tamil Medium)
http://www.textbooksonline.tn.nic.in/Books/Std08/Std08-I-MSSS-EM-2.pdf#page=43 (English Medium)
[Author - Anu Nived]
https://image.shutterstock.com/z/stock-vector-anatomy-of-a-bacterial-cell-111217457.jpg (Bacterial cell)
http://indianapublicmedia.org/amomentofscience/files/2011/04/076_nitrogen.jpg (root nodules)
http://schoolbag.info/biology/concepts/concepts.files/image574.jpg (plant diseases caused by microbes)
http://www.botany.hawaii.edu/faculty/wong/BOT135/images/T_pedis.jpg (disease caused by fungi)
[Author - Kripa S]
1. Take two pots and fill each pot half with soil. Mark them A and B. Put plant waste in pot A and things like polythene bags, empty glass bottles and broken plastic toys in pot B. Put the pots aside. Observe them after 3-4 weeks.
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