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Chemical Reactions

其他書名	Teacher's Guide
出版	Lawrence Hall of Science, University of California, 1998
主題	Juvenile Nonfiction / Science & Nature / ChemistryScience / Chemistry / General
ISBN	09248860649780924886065
URL	http://books.google.com.hk/books?id=ptPZAAAAMAAJ&hl=&source=gbs_api

註釋An ordinary sandwich bag becomes a safe laboratory as students mix chemicals that bubble, change color, and produce gas, heat, and odor. Students then experiment to determine what causes the heat in this chemical reaction.