States of matter

Slide: 1
Why does it have to be so cold! My particles aren't even moving.
The ice is currently in the form of a solid so its particles are really close together and are not moving. Ice is just water at a freezing point of 32 degrees Faren Hight, so cold that the water turns from a liquid to a solid. The density is it's mass divided by it's volume.
Slide: 2
Where did my owner go? I'm supposed to be in the stomach by now. Hey my particles are moving!
The ice cube has been left outside overnight and has melted, due to its melting point of 32 degrees Faren Height, changing it's state of matter from a solid to a liquid. The particles of a liquid definitely move faster than a solid but not too fast. The density of water is 1 gram per milliliter.
Slide: 3
WOAH! I'm free! My particles are moving so fast!
After the glass of water was left out over night the water level of the cup decreased because some of it evaporated. A liquid will evaporate at any temperature above freezing so the liquid turns into a gas. Gas particles move really fast, faster than the particles of a liquid or solid. The density of gas is the mass per unit volume.

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