* Definite volume: Both liquids and solids have a fixed volume, meaning they occupy a specific amount of space. They don't expand to fill their container like gases do.

* Incompressibility: Both liquids and solids are relatively incompressible. This means that it's difficult to reduce their volume by applying pressure.

* Density: Both liquids and solids have a specific density, which is the amount of mass per unit volume.

* Surface tension: While less pronounced than in liquids, solids also exhibit surface tension. This is the tendency of molecules at the surface of a substance to stick together, creating a thin, elastic layer.

Key Differences:

While they share some properties, the key difference lies in their shape:

* Solids: Have a definite shape. They maintain their form even when moved or placed in a different container.

* Liquids: Take the shape of their container. They flow freely and adjust to the shape of the vessel they're in.

These differences in shape are due to the arrangement and movement of particles within the substance:

* Solids: Particles are tightly packed in a fixed, organized structure. This gives them rigidity and a definite shape.

* Liquids: Particles are more loosely packed than solids and have more freedom of movement. This allows them to flow and take the shape of their container.