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Physics Tuition Singapore – Turning Effect of Forces Misconception     Misconception 1 Since moment is a vector quantity, its direction can also be described similar to other vector quantities such as velocity. Therefore, we can describe the direction of a moment as to the North. Correct Concept Moment is a type of vector quantity different from other vector quantities such as velocity. Its direction is simply described by a rotational direction (i.e., clockwise or anticlockwise) and not by a linear direction (i.e., up, left, North etc).   Misconception 2 A see-saw always tilts towards the heavier person. Correct Concept A see-saw does riot always tilt towards the heavier person. The direction of tilt corresponds to the direction of net moment which also depends on the ...

Chemistry Tuition Singapore – Chemical Bonding Misconception   Misconception 1 Atoms gain or lose electrons to become noble gases. Correct Concept Atoms gain or lose electrons to obtain noble gas structures.   Misconception 2 Simple covalent molecules have low melting and boiling points because covalent bonds are weak. Correct Concept The covalent bonds within the molecule are strong. Simple covalent molecules have low melting and boiling points because the attractive forces between the covalent molecules are weak   Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need O level and N level Chemistry Tuition          

Primary English Tuition Singapore- Grammar   Q1. If you____________ the gong yesterday, the baby_____________ up. (1) did not strike…would not wake (2) have not struck.. will not wake (3) did not strike…will not have woken (4) had not struck…would not have woken   Q2. Keep this secret ________ yourself. I have told no one else about it and I do not wish anyone to know about it. (1) by (2) to (3) in (4) for   Answers: Q1 – (4) , Q2 –  (4)   Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need Primary 1 to 6 English Tuition

Primary Maths Tuition Singapore – Fractions and Decimals   Express  3 1/20   as a decimal (1) 3.01 (2) 3.05 (3) 3.1 (4) 3-5 Answer:(2)    Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need Primary 1 to 6 Maths Tuition

Primary Science Tuition Singapore- Fungi and Bacteria   Jerry saw some bracket fungi growing on a rotting log when he went hiking. (a) Why do bracket fungi grow on the log? (b) How do bracket fungi reproduce? (c) How do bracket fungi prevent the problem of overcrowding of their own species?   Answers: (a) They grow on the log to get food and nutrients. (b) They reproduce from spores. (c) Their spores are light and can be dispersed easily by wind.   Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need Primary 1 to 6 Science Tuition