The student is expected to demonstrate that some mixtures maintain
physical properties of their ingredients such as iron filings and sand
AND 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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Vocabulary:
Ingredient: A single part
of a mixture or solution
Mixture: A combination of
two or more substances where each keep their own properties and can be easily
separated
Physical Change: Make
different without changing what the material is made of, such as: cutting,
folding, melting
Solution: A mixture of one
substance dissolved evenly in another.
Dissolve: Melt, make a
solution out of, or turn into a liquid
Property: Appearances of an
object including: mass, magnetism, physical state, relative density,
solubility, and the ability to insulate or conduct heat or electricity
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