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Chapter 2.3
Review cards for Section 2.3
15
Science
9th Grade
10/08/2014
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Term
physical change
 Definition
Is dissolving salt in water a physical or chemical change?
Term
chemical change
 Definition
Is cooking an egg a physical or chemical change?
Term
physical change
 Definition
Is grinding quartz a physical or chemical change?
Term
physical change
 Definition
Is strumming a guitar a physical or chemical change?
Term
chemical change
 Definition
Is converting matter into energy a physical or chemical change?
Term
chemical change
 Definition
Is burning wood into charcoal a physical or chemical change?
Term
chemical change
 Definition
Is rusting iron a physical or chemical change?
Term
chemical change
 Definition
Is digesting food a physical or chemical change?
Term
chemical change
 Definition
Is grilling a hamburger a physical or chemical change?
Term
physical change
 Definition
Is melting copper a physical or chemical change?
Term
Chemical
 Definition
A change in color during a reaction is often a sign that a ___ chemical change has occurred.
Term
Physical
It's still paper.
 Definition
Is crumpling a sheet of paper a physical or chemical change? Why?
Term
change in color
change in odor
change in temperature
gas given off (or bubbling or fizzing)
 Definition
List 3 clues that suggest a chemical change is taking place.
Term
physical change
 Definition
A change of matter from on form to another without a change in chemical properties.
Term
chemical change
 Definition
A change that occurs when a substance changes composition by forming one or more new substance.
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