Difference between revisions of "School science experiments"

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=Purple Flame Magic=
 
=Purple Flame Magic=
<br><br>'''Materials'''
+
<br>'''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.
<br><br>'''Procedure'''
+
<br>'''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
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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.
<br><br>'''Discussion'''
+
<br>'''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.
<br><br>'''Shared by/ Source'''
+
<br>'''Shared by/ Source'''
 
Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu
 
Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu
  

Revision as of 02:33, 22 August 2014

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