Natural materials - The materials that are obtained from nature., Atoms - Is made up of extremely small particles., Element - The substance that is made up of only one atom., Compound - A substance that is made up of two or more elements combined chemically in fixed proportion., Lustre - The special kind of shine present on materials., Lustrous materials - Materials which have lustre present on them., Soft materials - Materials which can be compressed.,

Sorting Materials into Groups

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