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Chemical Changes
Review of chemical changes for 6th grade science in Texas
Term | Definition |
---|---|
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 |