A gases particles are far apart from each other and flow easily. The molecules spread out and fill the container evenly.

Gases fill all containers no matter what size or shape.

The particles in a gas move freely in and have no bonds/arrangement. An example of a Gas is Hydrogen which is the most common gas in our universe. Gases can be compressed easily because their particles are far apart. This is because when the particles are heated they gain sufficient kinetic energy and become further apart.Ī Gas is a substance that is air-like which expands freely into space. An example of a Liquid is Water. When a Liquid is heated, it evaporates into a gas. It does resist change of size but doesn’t resist change of shape. Then the solid may become a liquid.Ī Liquid is a substance that has a reediness to flow with Little or no tendency. If the temperature becomes sufficiently high, this kinetic energy overcomes the forces that hold the atoms or molecules in place. When a solid is heated, the atoms or molecules gain kinetic energy. The particles in a solid are in a fixed position and vibrate.The particles are packed much closer together than particles of a liquid or gas. It has a definite shape, size and volume. The First Three Familiar StatesĪ solid is a substance that is firm and stable in shape. The first three familiar states were taught to us by our chemistry and physics teachers, to give a simplified understanding of matter and its forms within our universe, but as you will see there are 4 other states that exist. There are a total of seven states of matter in the universe.

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What are the four states of matter