UBSE - 8 - Science :: Microorganisms: Friend and Foe
Go To: UBSE-Science-Grade 8
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[Author - Rini Jose]
http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0855-Vigyan/Chapter-2/index.html (NCERT Hindi Medium)
http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0854-Science/Chapter-2/index.html (NCERT English Medium)
[Author - Kripa S, Neelam Singh]
https://www.youtube.com/watch?v=bY5PLLHxpbs (Good and Bad microbes)
https://www.youtube.com/watch?v=ZaFVfHftzpI (Hindi - Nitrogen Fixation)
[Author - Anu Nived]
http://p6cdn4static.sharpschool.com/UserFiles/Servers/Server_71522/Image/Migration/dsc_0129.jpg (Food preservation - drying)
https://mypantryshelf.files.wordpress.com/2011/02/036.jpg (Salting)
http://www.tasteofsouthern.com/wp-content/uploads/2012/05/14_Freezing-Strawberries_sugar-to-coat.jpg (adding sugar)
http://www.practicalprimitive.com/images/salsa.jpg (adding oil and vinegar)
https://www.ag.ndsu.edu/cpr/images/07-02-15/plsc-kandel-1-soybean-nodulation.png (nitrogen fixation)
[Author - Arshea Bimal]
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.
2. https://www.youtube.com/watch?v=4KG645qrpw8 (inflatable lungs)
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