Sunday, April 28, 2013

Experiment : Crystallisation process

 
Experiment 4.17 (Science process skills workbook page 71 & 72)
 

Aim : To study the purification method for a saturated solution of table salt.
(Mengkaji kaedah penulenan bagi larutan tepu garam biasa)

 
Student from class 4UIAM
 


 






 















 
 
 
For more information, refer this website

Tuesday, April 16, 2013

Friday, April 12, 2013

Experiment : Process of making Soap (Chapter 4)

Experiment : Process of making soap
 
Saponification process / Hydrolisis process
 
Refer page 84 & 85 (Science Process Skills Longman)
 
Materials and apparatus
 






 
Students from class 5UIAM 2013









 
Shake in water- A lot of bubbles are produced





 
Feel with your finger - Smooth

 
Test with red litmus paper - turns to blue (alkaline)
 

 
 
 
Students form class 5UM 2013
 















 
White solid (Soap)
 
Soap is alkaline.

 
Video

 
Credit to TutorVista
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