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Chapter 12
Mr Cantrell's Science
Question | Answer |
---|---|
Physical change | a change in one or more physical properties. |
Chemical change | a change that produces new substances with new properties. |
Combustion | the process of burning |
Reactant | substance used in a chemical reaction |
Product | substance made during a chemical reaction |
Chemical equation | a formula that describes a chemical reaction |
Polymer | a large molecule made of many small molecules |
Energy | the ability to do work |
Law of conservation of mass | matter is not created or destroyed in any chemical or physical change |
Red and orange | the color that strong acids turn universal indicator paper |
Blue, green, or purple | the color that strong bases turn universal indicator paper |