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School science experiments (view source)

Revision as of 07:48, 22 August 2014

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Created page with " =Purple Flame Magic= =Materials= 5g of pottassium permanganate cystals, 2ml of glycerol, a porcelain tile and a dropper. =Procedure= Pile 5g of powdered KMnO4 crystals on a p..."

=Purple Flame Magic=
=Materials=
5g of pottassium permanganate cystals, 2ml of glycerol, a
porcelain tile and a dropper.
=Procedure=
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
about 3 to 4 drops of glycerine to the depression.
After a few seconds a white puff of smoke is produced followed by sparks and purple
flame.
=Discussion=
This experiment demonsrtates spontaneous combustion. KMnO4
oxidizes glycerol exothermically producing heat and light.
=Shared by/ Source=
Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu


=Soap hating and sugar loving match sticks=
=Materials=
=Procedure=
=Discussion=
=Shared by/ Source=
Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu

=Coin Challenge=
=Materials=
=Procedure=
=Discussion=
=Shared by/ Source=
Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu


=Magical Wand of Fire=
=Materials=
=Procedure=
=Discussion=
=Shared by/ Source=
Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu
Ranjani
3,913

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