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Hey Edna, I was thinking about matter. Do you know how that works?
Yeah Oswald, I remember learning about that in middle school. There are three types of matter: Liquid, Solid, and gas.
Oh really? How do liquids become liquids, solids become solids, and gasses become gasses?
Well, the molecules of a solid are tight together and in order.
OK, so how do solids turn into liquids?
As a solid heats up the molecules move and break apart. They become a liquid when they are still close together but moving around.
When a liquid heats the molecules start to bounce around, when they are all bouncing around and when they are out of control they turn into a gas
So when it is a liquid they are moving quickly and aren't close together?
Yes, exactly. It seems like you understand it now.
This is what molecules look like.
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