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Group 1- Arrangement of particles in a solid, liquid and gas

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Group 1- Arrangement of particles in a solid, liquid and gas

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Group 2-Properties of solids, liquids and gases

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Group 2-Properties of solids, liquids and gases

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The three states of matter are solid, liquid and gas, as shown on the right.
The conversion of solid to liquid is called melting, liquid to gas is called condensation. The conversation of solid to gas is sublimation.

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Diffusion is when a material is placed into water and spreads out in the water, and becomes a part of the water.

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Diffusion is when gas spreads from different places for example
a perfume, if you spray it at the t of the room it will gradually make its way down the room.

Diffusion is when a gas is released and makes its way from one side of the room to the other side of the room. So one person at one side of the room can smell it, but later the person at the other side of the room can smell it.