NCERT - 8 - Science :: Materials: Metals and Non-metals

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Go To: NCERT-Science-Grade 8


[Contributor - 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

[Contributor - Kripa S]

(Source - Eduvantage Pro) (Hindi - metals and non-metals)

[Contributor - 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.

[Contributor - 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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