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8th Grade Science #3

Texas TAKS review for 8th Grade Science-chemical Reactions

QuestionAnswer
product substance that forms as the result of a chemical reaction
reactant + reactant yields product
reactant a substance that exists before a chemical reaction takes place
What are the reactants when the product carbon dioxide is formed? carbon and oxygen
chemical change one or more substances are changed into NEW substances with new properties
What kind of change cannot be reversed by physical means? chemical
Baking a cake is what kind of change? chemical
chemical equation a way of describing a chemical reaction using chemical formulas and symbols
chemical formula a way of describing a substance using chemical symbols and numbers
chemical formula for water? H20
Created by: switt@ccisd.net