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School science experiments (view source)
Revision as of 08:02, 22 August 2014
, 08:02, 22 August 2014no edit summary
=Purple Flame Magic=
=Purple Flame Magic=
'''Materials'''
5g of pottassium permanganate cystals, 2ml of glycerol, a
5g of pottassium permanganate cystals, 2ml of glycerol, a
porcelain tile and a dropper.
porcelain tile and a dropper.
'''Procedure'''
Pile 5g of powdered KMnO4 crystals on a porcelain tile.Make a small
Pile 5g of powdered KMnO4 crystals on a porcelain tile.Make a small
depression on the centre of the pile. Using a dropper or a glass tube add carefully
depression on the centre of the pile. Using a dropper or a glass tube add carefully
After a few seconds a white puff of smoke is produced followed by sparks and purple
After a few seconds a white puff of smoke is produced followed by sparks and purple
flame.
flame.
'''Discussion'''
This experiment demonsrtates spontaneous combustion. KMnO4
This experiment demonsrtates spontaneous combustion. KMnO4
oxidizes glycerol exothermically producing heat and light.
oxidizes glycerol exothermically producing heat and light.
'''Shared by/ Source'''
Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu
Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu
=Soap hating and sugar loving match sticks=
=Soap hating and sugar loving match sticks=
'''Materials'''
'''Procedure'''
'''Discussion'''
'''Shared by/ Source'''
Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu
Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu
=Coin Challenge=
=Coin Challenge=
'''Materials'''
'''Procedure'''
'''Discussion'''
'''Shared by/ Source'''
Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu
Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu
=Magical Wand of Fire=
=Magical Wand of Fire=
'''Materials'''
'''Procedure'''
'''Discussion'''
'''Shared by/ Source'''
Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu
Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu