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Tuition Singapore Primary Science Tuition – Life Cycles of Fully Growth Plant     Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need Primary Science Tuition Singapore Science Tuition

English Tuition Singapore Secondary English Tuition – Describe some of the public toilets you have frequented   Suggested Approaches Describe some of the public toilets which you have seen. What are some of the best toilets and why are they good? What are some of the worst toilets and why are they bad? What does one see and smell when one enters these toilets?   Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need Secondary English Tuition Singapore English Tuition

Math Tuition Singapore Secondary Math Tuition – Number Sequences and Problem Solving     Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need Secondary Math Tuition Singapore Mathematics Tuition

Biology Tuition Singapore Secondary Science Tuition – Transport of Living Things – Diffusion   MOVEMENT OF SUBSTANCES   Diffusion Diffusion is the movement of any substance from its region of higher concentration to its region of lower concentration. It is a passive transport as energy is not required for the movement of the substance.   Diffusion in living things In living organisms, many organs have specialised features to improve the efficiency of diffusion of materials. These specialised features are mainly developed to increase the surface area so that they can carry out their functions more efficiently. Some examples of important diffusion of substances in living things: Gases exchange between the lungs and blood capillaries Absorption of simple food substa ...

Physics Tuition Singapore Secondary Science Tuition – Electricity Chemical Effect   Chemical effect A chemical change caused by electricity is called electrolysis An electrolyte is a liquid or a solution which can conduct electricity. The electrolyte undergoes chemical change when electricity passes through it. Electrodes are electrical contacts which allows electric current to leave and to enter the electrolyte. Electrolysis is widely used in electroplating and in the extraction of metals.   Electroplating In electroplating, an object is coated with a layer of metal. The object to be coated is connected to the negative terminal of the power supply. The metal to coat an object is connected to the positive terminal of the power supply.   The purpose for electroplating a ...