material, the matter something is made from, brittle, Something that is hard but can break easily., opaque, Objects that do not allow any light to travel through them,, reflective, A material which reflects light well., translucent, Objects that allow some light to travel through, but it is scattered., conductor, A material that conducts or transmits heat, electricity or sound, insulator, A material that does not conduct or transmit heat, electricity or sound, transparent, Objects that allow light to easily travel through them

Materials

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