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| ==Useful websites== | | ==Useful websites== |
| ==Reference Books== | | ==Reference Books== |
− | | + | Refere NCERT science text book[http://www.ncert.nic.in/ncerts/textbook/textbook.htm?jesc1=13-16 click here] |
| | | |
| = Teaching Outlines = | | = Teaching Outlines = |