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4.03 Properties of Matter
vocabulary about chemical and physical properties and changes
7
Chemistry
9th Grade
07/12/2019

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Term
physical properties
Definition
characteristics of a substance that can be measured without changing the identity of the substance
Term
chemical properties
Definition
characteristics of a substance that describe the ways it can react to form new materials
Term
physical change
Definition
a transformation from one state of matter to another with no change in chemical composition

NO new substances formed
Term
chemical change
Definition
A transformation involving the rearrangement of atoms to form new substances (the chemical composition or identity is changed)
Term
matter
Definition
Anything that has mass and takes up space
Term
mass
Definition
Measure of the amount of matter in an object

NOT the same as weight
Term
Law of Conservation of Mass
Definition
Conservation comes from the Latin “conservare” meaning “keep” or “preserve”

This law states that “matter (mass) cannot be created or destroyed, only transformed”
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