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Tuition Centre Singapore Maths Tuition Secondary Math Tuition   Stem and Leaf Chart Answer: (a) 168  (b) 2 or 4   Please contact Mr Ong @ 9863 9633 or Angie @ 96790479 if you need help in Secondary 1 to 4 Maths  

Tuition Centre Singapore Biology Tuition – Movement of Substances (Diffusion)   Common Error 1 Diffusion of particles from one region to another takes place at a constant speed. Correct Concept 1 The concentration gradient determines the speed of diffusion. As diffusion proceeds, the concentration gradient decreases. The speed of diffusion thus decreases as well   Common Error 2 During diffusion, particles only move in the direction of the region of lower concentration. Correct Concept 2 Particles move randomly in all directions. The net movement of particles is in the direction of the region of lower concentration   Common Error 3 Each cell is a self-contained unit of life. Correct Concept 3 Cells interact with other cells in a network of communication. There are many ...

Tuition Centre Singapore Physics Tuition – Forces Important Definitions   Newton’s First Law of Motion states that an object will continue in its state of rest or uniform motion unless acted upon by an external force. Newton’s Second Law of Motion states that for an object with constant mass, the net external force F acting on the object is equal to the product of its mass m and acceleration            F= ma Newton’s Third Law of Motion states that, for every action, there is an equal and opposite reaction. In other words, if object A exerts a force on object B, object B will exert the same force but opposite in direction on object A. The SI unit for force is the newton (N). A free body diagram can be drawn to identify all the forces acting on an object. When f ...

Tuition Centre Singapore Chemistry Tuition – Elements, Compound and Mixture Definitions   An atom is the smallest particle of an element that retains the chemical properties of the element. An element is a pure substance that cannot be split up into two or more simpler substances by physical processes or by chemical processes. A compound is a pure substance that contains two or more elements chemically joined together. A molecule is a group of two or more atoms that are chemically joined together. A diatomic molecule is a molecule with two atoms. The chemical formula of a compound is the notation which shows the relative numbers of atoms of the different elements present in the compound. A mixture is a combination of two or more substances that are not chemically joined together ...

Tuition Center Singapore Primary English Tuition – Synthesis and Transformation – As Well As   As Well As As well as is used to join two words or phrases.   Example 1 The warrior was fearless. The warrior was also loyal. The warrior was fearless as well as loyal   Example 2 Anne collects jade pieces. She collects modern art too. Anne collects jade pieces as well as modern art.   Take note The words ‘also’ and ‘too’ are left out in the combined sentence.   Please contact Angie @ 96790479 or Mr Ong @ 98639633 if you need Primary School English Tuition