Difference between revisions of "TNSB - 7 - Science :: Materials and properties"

[Contributor - Kripa S]

http://www.textbooksonline.tn.nic.in/Books/Std07/Std07-II-MSSS-TM-2.pdf#page=28 (Tamil Medium)

http://www.textbooksonline.tn.nic.in/Books/Std07/Std07-II-MSSS-EM-2.pdf#page=26 (English Medium)

[Contributor - Kripa S]

http://image.slidesharecdn.com/physical-and-chemical-change-1224466582409274-8/95/physical-and-chemical-change-6-728.jpg (chemical change) https://image.slidesharecdn.com/physical-and-chemical-change-1224466582409274-8/95/physical-and-chemical-change-5-728.jpg?cb=1224441397 (chemical change) http://image.slidesharecdn.com/physical-and-chemical-change-1224466582409274-8/95/physical-and-chemical-change-8-728.jpg (physical change)

[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 - Ramkee]

https://drive.google.com/open?id=0BzNF2YyqQxJ-eURIRUxfbGV3QWc

[Contributor - Ramkee]

https://drive.google.com/open?id=0BzNF2YyqQxJ-ekFsZ0NZcE9ob1E