State changes: fundamentals
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I can describe the processes of melting, freezing, boiling, and condensation, using a simple particle model to explain these state changes.
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A simple particle model explains melting, boiling, freezing, and condensing processes.
Boiling is when a liquid becomes a gas throughout, forming bubbles. Condensation is when gas turns into liquid.
Melting is when a solid turns into a liquid with added energy. Freezing is the reverse: liquid to solid, losing energy.
The particles remain the same size and shape as they do not have bulk properties like melting and boiling points.
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