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

Experiment : Effect of impurities on the boiling point of a pure liquid

Students from class 4UIAM 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

(Youtube account : http://www.youtube.com/user/TutorVista?feature=watch)