Middle School - Physical Science - California - Pearson
Topics of learning Physical Science for 7th and 8th graders. Grade 7 / Grade 8 / Middle School The sub topics have been taken from a book "California Physical Science." Science." http://www.phschool.com/webcodes10/index.cfm?wcprefix=cxk&wcsuffix=9999&area=view
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Chemical Changes
Physical and Chemical Changes
Mr. Andersen explains the difference between physical and chemical changes. A brief discussion of chemical reactions and equations is also included.
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