MHSB - 8 - Science :: Metals and Non metals

MSCERT-Science-Grade 8

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[Contributor - Anu Nived]

Objective: To teach the students various elements (metals, non metals and noble metals)

Subtopics to be covered:

1. Metals and non metals
2. Properties and uses of metals and non metals
3. Noble metals
4. Alloys

Learning Outcome:

1. Students know the difference between metals and non metals
2. They know which are the noble metals
3. They how the purity of gold is assigned
4. 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)

https://image.slidesharecdn.com/physicalpropertiesofmetalsandnonmetals-160802102140/95/physical-properties-of-metals-and-non-metals-4-638.jpg?cb=1470133364 (non 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 - Priya Kashid]

https://drive.google.com/open?id=1JYL0yibcJdZi-5IkKTzgXJxjOO_Sw7vt

[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

[Contributor - Priya Kashid]

https://drive.google.com/open?id=19g6mny9qusE-7ZrLrlaa_7VuZa6XeEaO

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