MHSB - 8 - Science :: Metals and Non metals
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[Contributor - Anu Nived]
Objective: To teach the students various elements (metals, non metals and noble metals)
Subtopics to be covered:
- Metals and non metals
- Properties and uses of metals and non metals
- Noble metals
- Alloys
Learning Outcome:
- Students know the difference between metals and non metals
- They know which are the noble metals
- They how the purity of gold is assigned
- They know how corrosion happens
[Contributor - Kripa S]
http://cart.ebalbharati.in/BalBooks/pdfs/801010012.pdf#page=132 (Marathi Medium)
http://cart.ebalbharati.in/BalBooks/pdfs/803010012.pdf#page=132 (English Medium)
[Contributor - Kripa S]
https://www.youtube.com/watch?v=i-2ti6zQHUI (metals and non metals)
https://www.youtube.com/watch?v=feI4DV9ZIA4 (chemical properties of metals)
[Contributor - Kripa S]
https://i.ytimg.com/vi/ezPVtvdkoRI/hqdefault.jpg (metals, non metals examples)
http://msc-technology.wikispaces.com/file/view/metal.jpg/100897913/metal.jpg (properties of metals)
[Contributor - Kripa S]
1. Make a list of articles around you that are made of metal
2. List some examples of metal objects that have been made due to the properties :
a) Malleability
b) Ductility
3. Name some metal objects that exhibit:
a) Malleability
b) Ductility
c) Lustre
d) Hardness
e) Sonorous properties
f) Good conductor of heat
g) God conductor of electricity
4. Take a walk around your locality and make a table of the various metals and non metals used in various objects.
[Contributor - Shahnawaz Pathan]
Term | Transliterated Term | Translated Term |
Substance | सबस्टन्स | पदार्थ |
Elements | एलेमेंट्स | मूलद्रव्य |
Solid | सॉलिड | स्थायू |
Liquid | लिक्विड | द्रव |
Gaseous | गॅसिअस | वायू |
Shiny | शायनी | चकचकीत |
Hard | हार्ड | टणक |
Brittle | ब्रिट्ल | भुसभुशीत |
Silver | सिल्वर | चांदी |
Copper | कॉपर | तांबे |
Lustre | लस्टर | चकाकी |
Sulphur powder | सल्फर पावडर | गंधक भुक्टी |
Physical properties | फिजिकल प्रॉपर्टीस | भौतिक गुणधर्म |
Malleability | मेलॅबिलिटी | वर्धनीयता |
Hammer | हॅमर | हातोडी |
Flatten | फ्लॅटन | चपटा |
Thin | थिन | पातळ |
Blacksmith | ब्लॅक्स्मिथ | लोहार |
Furnace | फर्नास | भट्टी |
Sheet | शीट | पत्रा |
Ductility | डक्टिलिटी | तन्यता |
Utensils | युटेन्सिल | भांडी |
Good conductors | गुड कन्डक्टर्स | सुवाहक |
Bad conductors | बॅड कन्डक्टर्स | दूर्वाहक |
Density | डेन्सिटी | घनता |
Ribbon | रिबन् | फीत |
Moist | मोइस्ट | ओलसर |
Test tube | टेस्ट ट्युब | परीक्षा नळी |
Shake | शेक | हालवा |
Inflammable | इन्फ्लेमेबल | ज्वलनशील |
Ornaments | ओर्नामेंट्स | दागिने |
Mercury | मर्क्यूरी | पारा |
Compounds | कंपाऊंड्स | संयुगे |
Lead | लीड | शिसे |
Crackers | क्रॅकर्स | फटाके |
Germicides | जर्मिसायड्स | जंतूनाशके |
Explosives | एक्स्प्लोसिव्स | स्फोटके |
Noble metals | नोबल मेटल्स | राजधातू |
Purity | प्युरिटी | शुद्धता |
Proportion | प्रपोर्शन | प्रमाण |
Corrosion | करोजन | क्षरण |
Article | आर्टिकल | वस्तू |
Reddish | रेड्डिश | तांबूस |
Patch | पॅच | डाग |
Moisture | मोइस्चर | ओलावा |
Layer | लेयर | थर |
Coat | कोट | मुलामा देणे |
Zinc | जिंक | जस्त |
Alloy | अलोय | संमिश्रे |
Foil | फॉईल | वर्ख |
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