Category Archives: Secondary

Math Tuition Singapore – Interest Rate   A company invested $ x in a business venture and made a profit of 30% amounting to $72,000. This profit is 20% more compared to the previous year’s profit. Calculate (i) the value of  x,   ( ii) the profit in the previous year.     Answer: (i)… Continue reading →

Biology Tuition Singapore – Animal Nutrition Misconceptions     Misconception 1 Digestion is the process of releasing energy from food. Correct Concept Actually digestion has no direct connection to the release of energy. That is the role of respiration. However, digestion facilitates the release of energy by turning food into a more accessible form that… Continue reading →

Chemistry Tuition Singapore – The Mole Misconceptions   Misconception 1 The relative molecular mass of water (H20) is 18 g. Correct Concept   Both the relative atomic mass and the relative molecular mass have no units. Thus, the relative molecular mass of water is just 18.   Misconception 2   The mass of one hydrogen… Continue reading →

Physics Tuition Singapore – Energy,Work and Power Misconceptions   Misconception 1 Kinetic energy is a vector quantity and its direction is the same as the direction of motion of the object. Correct Concept Kinetic energy is a scalar quantity and does not have direction. Its magnitude depends on mass and speed (which is equal to… Continue reading →

Tuition Singapore Secondary English Tuition – Describe an afternoon at the playground   Suggested Approaches Pick a typical afternoon at the playground and describe it in detail. Where is the playground? What is so unique about its design? How do the children behave at the playground? How do the adults react to such behaviour?  … Continue reading →