1) iron rods a) hard b) soft c) flexible d) weak 2) sponge a) hard b) smooth c) soft d) heavy 3) rubber a) rigid b) flexible c) brittle d) smooth 4) cotton a) shiny b) elastic c) heavy d) soft 5) glass bulb a) strong b) weak c) heavy d) flexible 6) paper a) light b) rigid c) strong d) flexible 7) balloon a) rigid b) strong c) flexible d) rough 8) marbles a) rough b) smooth c) heavy d) rigid 9) jute fabric a) rigid b) shiny c) rough d) elastic

Properties of different materials

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