Sexual Reproduction
In sexual reproduction, we learnt about the male and female reproductive systems, parts of it and the functions of each part. Besides these, we also learnt about the menstrual cycle and what happens to the body when it undergoes menstrual cycle. Sexually transmitted diseases(STD) and ways for birth control.
One of the problems faced when doing this topic was that the class was rowdy since it has relation to sexual interactions. It was difficult to hear what the teacher said when the class is being noisy. Also, I myself is embarassed to ask questions, so there were some questions which I was afraid to raise up.
Other than that, I learnt many interesting facts about human body, like how the sperm that the penis produce is actually alkaline, and fluid of the vagina is acidic.
Acids and Alkalis
In Acids and Alkalis, we learnt about how to test for Acid and Alkalis.Before the lesson, I always thought that the only way to determine the acidity of a substance was by a natural indicator. However, some substances when mixed with another substance changes colour in accordance to its acidity. Even though this test is not accurate in the exact pH value, it can provide us with a general idea of the substance's acidity.
This topic was the most troublesome one for me, because I absolutely do not understand what kind of chemical reactions when two chemicals are combined together. Whether foams will form, there will be a 'pop' or no reaction at all, I totally do not get the grasp of it. The only thing that went well for this topic would be chemical equation.
Test Reflections
My score for this term was quite unexpected, because I did not understand more than half of the concept, and I was expecting a fail. So getting a C5 was actually better than my expected score. This term was a tough one, so I will put in more effort in Chemistry now that I know that it is my weakest areas in Science, and strive for better results in the EOY exams.
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