Solids, liquids and gases. In a solid like this brick, the particles are regularly arranged touching their neighbours and move only by vibrating. This explains why solids have a fixed shape.

Does it feel like a solid, liquid, or gas? Leave the shaving cream blob out overnight ... Do you notice a difference in how the mixture feels? The cornstarch particles do not dissolve, but are ...

The focus is that matter, whether solid, liquid, or gas, is made up of particles; that dissolving and evaporation happen at the particle level; and that models can help explain these processes that we ...

A FLUIDIZED bed is sometimes used as a means of carrying out a chemical reaction between a gas and solid particles. In gas-fluidized beds, ‘bubbles’ form and there is considerable interest in ...