Credit picture : HERE
Credit picture : HERE
TO ALL MY STUDENTS,
ALL THE BEST FOR YOUR MID-YEAR EXAMINATION 2013.
From,
Friday, May 10, 2013
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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