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Watch different types of molecules form a solid, liquid, or gas. Add or remove heat and watch the phase change. Change the temperature or volume of a container and see a pressure-temperature diagram respond in real time. Relate the interaction potential to the forces between molecules.

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bonding together

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Energy wants to reach equilibrium

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its changing in decreasing or increasing

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the phase is changing so it’s going from one state to another which changes the density

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They are bonding

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becoming slower and faster

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The particles are speeding up until they reach 100* then they chill out at that point because its when it changes phase completely. -Trent

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they are going from one state to another.

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They are transitioning energy.

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they are slowing down or speeding up or spreading out or getting more compact -Sadie