Look at Dmitri Mendeleev and the Periodic Table
A kite is a solid object made of materials like paper, plastic, or fabric. It is not a liquid or a gas.
A kite is a solid object made of materials like paper or fabric, with a frame usually made of wood or plastic.
Superfluidity
A cup is a solid object made of materials like glass, ceramic, or plastic. While it can hold liquids or gases within it, the cup itself is not liquid or gas.
A person is gas,liquid and solid.
A volcano is made of solid rock.
solid, liquid, gas, plasma, and many others (see the link bellow)
gas liquid
It is a solid because leafs aren't made of water or gas.
Particle theory
Gas. A soccer ball is filled with gas under pressure.
A piggy bank is a solid, as it has a definite shape and volume. It is made from materials like ceramic, glass, or plastic that are in a solid state.