The English teachers voice

  A picture paints a thousand words, an expression that is no truer than it is in the English classroom. Visual aids are so perfect for the ESL classroom . When you present vocabulary using a visual aid, you are giving your students something that they can relate to. Later, when they try to recall the specific vocabulary, all they have to do is bring up the image in their mind, and in most case, the meaning and the context becomes clear to them. Visual aids also help you to present clearly and smoothly, with minimum or no complications. They also allow you to explain the meaning behind various vocabulary and structures without the need for complex explanations or by having to waste a lot of precious classroom time. Visual aids not only present the new vocabulary to your students, they also help to remind your students of the previous vocabulary that they have learned as their learning progresses. For example, if your students make an error with the specific grammar that they a...

  Atmospheric pressure the pressure exerted by the atmosphere Automation the act of implementing the control of equipment Automaton a mechanism that can move independently of external control Belt loop of flexible material between rotating shafts or pulleys Combustion a reaction of a substance with oxygen to give heat and light Composite consisting of separate interconnected parts Compression an increase in the density of something Compressor a mechanical device that compresses gasses Conduction the transmission of heat or electricity or sound Convection transfer of heat caused by molecular motion in liquid or gas Crank a hand tool consisting of a rotating shaft with a parallel handle Cylinder a chamber within which a piston moves Deformation alteration in the shape or dimensions of an object as a result of the application of stress to it Dynamics mechanics concerned with forces that cause motions of bodies Efficiency the ratio of the output to the input of any system Elasticity th...