Dear Student,
All materials are solids have certain characteristic properties.
(i) Iron keys are solid and tough, having a fixed shape, hard i.e resistance to scratching and pressure.
(ii) Sponge are the solids having a elastic and flexible property and can compressed by applying force. They also have absorbing nature that it can soak up the liquid.
(iii) Candles are soft, and can be burnt.
(iv) Glass are hard, brittle that can easily broken down into pieces by applying force.
(v) Mat are hard, flexible, having absorbency.
(vi) Wooden Table are hard, tough, strong, stiff in nature.
Regards.