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13 terms

Physical Changes :: Chemistry :: Physical Science

Aligned with the Texas Essential Knowledge and Skills (TEKS) for 5th grade science. SCI.5.5B I can identify the boiling and freezing/melting points of water on the Celsius scale. SCI.5.5C I can demonstrate that some mixtures maintain physical properties of their ingredients such as iron fillings and sand. SCI.5.5D I can identify changes that can occur in the physical properties of the ingredients of solutions such as dissolving salt in water or adding lemon juice to water.
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sieve
A tool that separates parts of mixtures based on the size of the particles.
freezing
Liquid turning into solid.
melting
Solid turning into liquid.
evaporation
Liquid turning into gas.
condensation
Gas turning into liquid.
boiling point
A liquid turns into gas at this temperature. The ________________ of water is 100˚ C.
freezing point
A liquid turns into a solid at this temperature. The _______________ of water is 0˚ C. The ______________ of a substance is the same as the melting point.
solution
The type of mixture that is formed when one substance dissolves into another.
solvent
The substance that dissolves the other substance in a solution
mixture
Two or more substances that are mixed together but can be physically separated fairly easily
crystal
A solid that is usually see-through and has a regular, repeating shape
solute
The substance that is dissolved (disappears) in a solution
melting point
A solid turns into liquid at this temperature. The __________________ of water is 0 ˚C. The freezing point of a substance is the same as the _________________.

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