School science experiments

From Karnataka Open Educational Resources
Revision as of 02:35, 22 August 2014 by Ranjani (talk | contribs)
Jump to navigation Jump to search

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