MHSB - 6 - Science :: Substances We Use
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[Author - Anu Nived]
Objective: To teach the students about various natural and man made substance
Subtopics to be covered:
- Manufacturing rubber and paper
- Synthetic fibres
Learning Outcome:
- Students can identify natural and man made substances
- They know how paper , rubber is produced.
[Author - Kripa S]
http://cart.ebalbharati.in/BalBooks/pdfs/601020012.pdf#page=51 (Marathi Medium)
http://cart.ebalbharati.in/BalBooks/pdfs/603020012.pdf#page=51 (English Medium)
[Author - Kripa S]
https://s-media-cache-ak0.pinimg.com/736x/78/8c/14/788c142df9c5e192d984b15f303e6cb3.jpg (natural vs manmade resources)
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTKqPBIoXoAKrKZQlMG9XoIh7WyTSUxhoE4jMk08ssA13fpSGZNMQ (synthetic fibres)
[Author - Kripa S]
1. Enlist a set of items you use everyday. Distinguish how many of them are naturally made and how many are man made. Is there a way to switch from man made item to a natural item ? Discuss
Term' | Transliterated Term | Translated Term | |||
Substance(s) | सबस्टन्स | पदार्थ | |||
Object(s) | ऑब्जेक्ट | वस्तू | |||
Particle(s) | पार्टीकल | सूक्ष्मकण | |||
Classification | क्लासिफिकेशन | वर्गीकरण | |||
Natural substance | नॅचरल सबस्टन्स | नैसर्गिक पदार्थ | |||
Biotic substance | अबायोटिक सबस्टन्स | अजैविक पदार्थ | |||
Biotic substance | बायोटिक सबस्टन्स | जैविक पदार्थ | |||
Substance of animal origin | सबस्टन्स ऑफ ऍनिमल ओरिजिन | प्राणिजन्य पदार्थ | |||
substance of plant origin | सबस्टन्स ऑफ प्लांट ओरिजिन | वनस्पतीजन्य पदार्थ | |||
Man | made substance | मॅन | मेड सबस्टन्स | मानवनिर्मित पदार्थ | |
Irreversible change | इर्रिव्हर्सिबल चेंज | अपरिवर्तनीय बदल | |||
Vulcanization process | व्हल्कनायझेशन प्रोसेस | व्हल्कनायझेशन प्रक्रिया | |||
Artificial threads | आर्टिफिशिअल थ्रेड | कृत्रिम धागे | |||
Polymer chain(s) | पॉलिमर चेन | बहुवारिक शृंखला |
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