Properties of Water (5.5B)

The student is expected to identify the boiling and freezing/melting points of water on the Celsius scale.

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Vocabulary:

Constant: Not changing; stays the same

Boiling Point: The temperature at which a substance changes states from a liquid to a gas (the boiling point of water is 100 degrees Celsius)

Melting Point: The temperature at which a substance changes states from a solid to a liquid

Freezing Point: The temperature at which a substance changes states from a liquid to a solid (freezing point of water is 0 degrees Celsius)

Condensation: Physical change in matter from a gas to a liquid

Evaporation: Physical change in matter from a liquid to a gas

Physical State: The classification of matter as a solid, a liquid or a gas

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