State of matter recap

Which state of matter do particles move the fastest

• Gas

• Liquid

• Solid

Is there a state of matter where the particles are not moving? Why or why not?

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Select the States part of the simulation

Describe the relative motion (speed) of the particles in each phase.

Solid:

Liquid:

Gas:

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Prediction: (before you do the simulation)

How does adding energy to a solid affect the motion of the particles?

How can a gas at room temperature (like oxygen) become solid?

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Experiment (on the states tab)

Start with solid Argon and explain​ how to make Argon change to the liquid state and then to the gaseous state.

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Experiment (on the states tab)

. Start with gaseous Argon and explain​ how to make the Argon change to the liquid state and then to the solid state.

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Experiment (on the states tab)

Explain how the absorption of energy (heating) affects the speed of the particles in a substance.

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Experiment (on states tab)

Explain how the release of energy (cooling) affects the speed of the particles in a substance.

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Experiment (on the states tab)

Can you make the particles of any of the substances stop moving?

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When you apply heat energy to a substance, where does the energy go? Think about the law of conservation of energy.

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