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| 6. Students will reason out the usage of metals in jewellery. | | 6. Students will reason out the usage of metals in jewellery. |
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− | ===Concepts==
| + | ==Concepts== |
| a) Matter | | a) Matter |
| b) Elasticity | | b) Elasticity |
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| Teacher will explain, what is atom, displacement and equllibrium | | Teacher will explain, what is atom, displacement and equllibrium |
| + | [[File:matter_html_a2b3f10.jpg|400px]][[File:matter_html_a2b3f10.jpg|400px]] |
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| ''Image acknowledged from the web site'' | | ''Image acknowledged from the web site'' |
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| The state of a body or physical system at rest or in unaccelerated motion in which the resultant of all forces acting on it is zero and the sum of all torques about any axis is zero. | | The state of a body or physical system at rest or in unaccelerated motion in which the resultant of all forces acting on it is zero and the sum of all torques about any axis is zero. |
| | | |
| + | [[File:matter_html_m6453fd0a.jpg|400px]] |
| '''Elasticity stress and strain''' | | '''Elasticity stress and strain''' |
| When a body is deformed by the application of external forces are brought play with in the body tending to countereact the external forces | | When a body is deformed by the application of external forces are brought play with in the body tending to countereact the external forces |
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| Teacher should explain Malleability of a Metal | | Teacher should explain Malleability of a Metal |
| Definition: It is one of the property of the metal(matter) that can be obtaine in the form of thin sheets | | Definition: It is one of the property of the metal(matter) that can be obtaine in the form of thin sheets |
| + | [[File:matter_html_m28bf5e06.jpg|400px]] |
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| '''Ductility''' | | '''Ductility''' |
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| '''Activity 2.''' Visit to a nearest Jewellery shop ,observe and List out Thread like Ornaments. | | '''Activity 2.''' Visit to a nearest Jewellery shop ,observe and List out Thread like Ornaments. |
| Teacher should explain the Ductible property of Metal. | | Teacher should explain the Ductible property of Metal. |
− | | + | [[File:matter_html_1e92a6d6.jpg|400px]] |
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| This resouce is prepared by | | This resouce is prepared by |
| G.DMahadevanaika mahadevanaika123@gmail.com | | G.DMahadevanaika mahadevanaika123@gmail.com |
| K.C. Suresh sureshdiet@gmail.com | | K.C. Suresh sureshdiet@gmail.com |