Example of particles that can be drawn closer to occupy smaller volume?

An example of particles that can be drawn closer to occupy a smaller volume are gas molecules. In a gas, the particles are widely spaced and can move freely, allowing them to be compressed into a smaller space when external pressure is applied. This property is described by the ideal gas law, which demonstrates how volume decreases as pressure increases, provided the temperature remains constant. Other examples include compressible fluids like air or steam, where the particles can be forced closer together.