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

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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