Some materials are insulators and others are, conductors, whistles, metals, flutes, Heat travels from hot places to ..., blue places, cold places, yellow places, dangerous places, thermal insulators ________, or slow down, this movement of heat, accelerate, prevent, hurry, maximise, Thermal conductors ______ heat to travel through them more quickly, allow, prevent, stop, accelerate, Some materials, especially _________, allow electricity to pass through them easily, rubber, glue, metals, elastics, A physical change takes place when a material changes form but is still the ..., main substance, same substance, different substance, half substance, A chemical change takes place when a material changes into an entirely ..., new substance, old substance, grey substance, quarter substance, Physical or chemical changes may happen when a material is ..., burnt or frozen, heated or cooled, cut or torn, shattered or glued, reversible means ... , permanent , changeable/ temporary, broken, destroyed, When food is cooked, it usually undergoes a ..., physical change, happy change, quick change, chemical change, irreversible means ... , temporary, destroyed, slight, permanent, substances are mixed together and a new substance is formed called ..., result, prediction, compound, equation, substances are mixed together and do not form a new substance, it's called ..., mixture, solution, result, compound, A special kind of mixture is called ..., result, experiment, solution, diagraph, Like all mixtures, solutions can be ..., removed, destroyed, separated, reborn.

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