Phy, chem, bio 的溫習方法

tricks for studying and tackling phy, chem, bio problems:

phy: make sure you split the question/situation into parts and think individually. e.g. for Mechanics, indicate ALL forces exerted on the object and the impacts of the actions, then do the calculations for each part

chem: everything is about reactions between compounds and the reactions are mainly controlled by movement of electrons. so, make sure you track the electrons movement when you are understanding a reaction. try to understand the reactions so that you don't have to remember all of them.

bio: make sure you know what the question is asking. identify the keywords of each biological process from your text and make sure you include them in your answers.

如果你係今年考會考嘅話，你冇時間温架啦…
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