... of matter. Here are more detailed definitions of solids, liquids, and gases and about their particles: * Solids- Solids are basically solid substances. The particles in a solid are packed very tightly together, and are touching each other. The particles are vibrating slightly, even though it is a completely solid substance, as the solid is so tightly packed together the particles cannot move or spread out so they just vibrate and keep their position. The particles will stay moving all the time, no matter what kind of heat they have to face. Solids usually stay still on a surface and won't take the shape of their container. Solids have a fixed shape which they will always keep unless changed into another state of matter. The reason the particles in a solid are so tightly packed together is because there are very strong forces of attraction attracting them towards each other. Solids ...

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