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Chemical Changes

Review of chemical changes for 6th grade science in Texas

chemical change creates a new substance with new properties
physical change substance keep its identity
precipitate a solid that forms when two liquids chemically react; it falls out of the solution
F.A.R.T.S. acronym to remember the signs of a possible chemical change
F. formation of a gas; bubbling or fizzing
A. aroma - odor will change noticeably
R. Rust - to remind you the color might change unexpectedly
T. The Energy; light energy might be released or the temperature may go up or down due to heat energy changes
S. Solid; also called precipitate
Created by: bwilliamsscience