Friday, May 10, 2013

Best of Luck On Your Mid-year Examination 2013

 
Credit picture : HERE

 
Credit picture : HERE
 
 
TO ALL MY STUDENTS,
 
ALL THE BEST FOR YOUR MID-YEAR EXAMINATION 2013.
 
 
From,
 
 

Experiment 5.4 : Exothermic and endothermic reaction

Student from class 4UIAM 2013
 
Experiment 5.4 : Exothermic and endothermic reaction
(Science Process Skills Workbook page 82-84)
 




















Experiment : Physical and Chemical Changes

Student from class 4UIAM
 
Experiment 5.3 : Physical and Chemical Changes
(Science Process Skills Workbook page 81)
 



 
 
Physical Change
 
Substance : Copper (II) sulphate crystals and water
Observation : Copper (II) sulphate crystals dissolve in the water to form blue solution
 







 
Chemical Changes
 
Substance : Potassium iodide and lead (II) nitrate
Observation : Yellow precipitate form
 
 

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