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Elements and Performance Criteria
Range Statement
Performance Evidence
Knowledge Evidence
Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:
arithmetic:terms and signsmethods of multiplication and divisionfractions and decimalsfactors and multiplesweights, measures and conversion factorsratio and proportionaverages percentagesareas and volumessquares, cubes, square and cube rootsalgebra:how to evaluate simple algebraic expressions (add, subtract, multiply, divide, brackets, and simple fractions)linear equations and their solutionindices and powers, negative and fractional indicessimultaneous equations and second degree equations with one unknownbinary and other applicable numbering systemslogarithmsgeometry:simple geometrical constructionsgraphical representation (nature and use, graphs of equations and functions)trigonometry:simple trigonometrytrigonometrical relationshipsuse of tablesrectangular and polar coordinatesmatter:nature of matter (chemical elements, atoms and molecules)chemical compoundsstates and change between statesmechanics:forces, moments and couples – representation as vectorscentre of gravityelements of theory of stress, strain and elasticity (tension, compression, shear and torsion)nature and properties of solid, fluid and gaspressure and buoyancy in liquids (barometers)linear movement – uniform motion in a straight line, motion under constant acceleration including motion under gravity – Newton’s Laws of Motionrotational motion – uniform circular motion – centrifugal and centripetal forcesperiodic motion – pendular movementsimple theory of vibration, harmonics and resonancevelocity ratio, mechanical advantage and efficiencymassforce, inertia, work, power, energy (potential, kinetic and total), heat and efficiencymomentum and conservation of momentumimpulsegyroscopic principlesfriction – nature and effects and coefficient of frictionspecific gravity and densityviscosity, fluid resistance and effects of streamliningeffects of compressibility of fluidsstatic, dynamic and total pressure, Bernoulli’s Theorem and venturithermodynamics:temperature – thermometers and temperature scales (Celsius, Fahrenheit and Kelvin), heat definitionheat capacity and specific heatheat transfer – convection, radiation and conductionvolumetric expansionfirst and second laws of thermodynamicsgases – ideal gas laws, specific heat at constant volume and constant pressure, work done by expanding gasisothermal, adiabatic expansion and compression, engine cycles, constant volume and constant pressure, refrigerators and heat pumpslatent heat of fusion and evaporation, thermal energy and heat of combustionoptics:nature of light and speed of lightlaws of reflection and refraction – reflection at plane surfaces, reflection by spherical mirrors, refraction and lensesfibre opticswave motion and sound:wave motion – mechanical waves, sinusoidal wave motion, interference phenomena and standing wavessound – speed of sound, production of sound, intensity, pitch and quality, and Doppler effect.