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Physical Science Unit B
Lesson 3, 4, & 5 Vocabulary
7
Science
5th Grade
03/19/2014

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Term
mixture
Definition
two or more substances that are mixed together, but can be separated out because their atoms are not combined
Term
solution
Definition
a mixture in which substances break up into their most basic particles, which are too small to be seen , and spread evenly through another substance
Term
physical property
Definition
a way of describing an object using traits that can be observed or measured without changing the substance into something else
Term
physical change
Definition
a change in one or more physical properties
Term
chemical property
Definition
describes the way a substance reacts with other substances
Term
chemical change
Definition
a change that produces new substances with new properties
Term
chemical reaction
Definition
a process that produces one or more substances that are different from the original substances
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