Difference between revisions of "NCERT - 8 - Science :: Materials: Metals and Non-metals"
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|Atom || आटम || परमाणु|| | |Atom || आटम || परमाणु|| | ||
Revision as of 05:55, 20 July 2017
Go To: NCERT-Science-Grade 8
- Lesson Plan
- Textbook
- Videos
- Images
- Activities
- Additional Aids
- Transliteration
- Worksheets
- Assessments
[Author - Anu Nived]
Objective: To educate the children about metals and non metals and their physical and chemical properties
Subtopics to be covered:
- Properties of Metals and Nonmetals
- Reaction with acids, bases, water, Displacement reactions
- Uses of metals and non metals, metalloids
Learning Outcome:
- Students can tell what happens when a metal/non metal reacts with acids/bases etc.
- They can name metals and non metals found in our day-to-day life.
- Students are familiar with the terms lustrous, malleability, sonorous, ductility and can classify materials based on these properties
[Author - Kripa S]
http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0855-Vigyan/Chapter-4/index.html (NCERT Hindi Medium)
http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0854-Science/Chapter-4/index.html (NCERT English Medium)
https://drive.google.com/open?id=0BzNF2YyqQxJ-d2tHYjZZRjBtT28 (JEPC Board) (Hindi Medium)
[Author - 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)
[Author - Arshea Bimal, 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.
[Author - Fathima Nazar]
| Term | Transliterated Term | Translated Term | ||
| Atom | आटम | परमाणु | ||
| Conductor | कंडक्टर | चालक | ||
| Displacement Reaction | स्प्लेसमेंट रिआक्शन | विस्थापन अभिक्रिया | ||
| Ductility | डक्टिलिटी | तन्यता | ||
| Elements | एलेमेंट्स | तत्व | ||
| Hardness | हार्डनेस | कठोरता | ||
| Malleability | मालिबिलिटी | आघातवर्धनीयता | ||
| Metals | मेटल्स | धातु | ||
| Metalloids | मेटलोईड्स | उपधातु | ||
| Non | metals | नॉन मेटल | अधातु | |
| Sonorous | सोनोरॉस | ध्वानिक |
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