3,913
edits
Changes
Jump to navigation
Jump to search
Line 10:
Line 10: − ===Concepts==+ Line 58:
Line 58: + Line 71:
Line 72: + Line 92:
Line 94: + Line 98:
Line 101: − +
no edit summary
6. Students will reason out the usage of metals in jewellery.
6. Students will reason out the usage of metals in jewellery.
==Concepts==
a) Matter
a) Matter
b) Elasticity
b) Elasticity
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]]
''Image acknowledged from the web site''
''Image acknowledged from the web site''
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
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]]
'''Ductility'''
'''Ductility'''
'''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]]
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