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MsWilliams-Matter
Mrs. Williams Properties and Changes of Matter
Question | Answer |
---|---|
chemical change | change in which the composition of a substance changes |
chemical property | property of matter that cannot be observed without altering the substnance |
physical property | characteristic that can be observed using the five senses, without changing or thying to change the composition of a substance |
physical change | change in which the form or appearance of amtter changes, but not its composition |
law of conservation of mass | states that the total mass of matter is the same before and after a physical or chemical change |
measurements that can describe physical properties | volume, mass, and density |
chemical changes are not easily | reversed |
physical or chemical change? WATER FREEZES | physical change |
physical or chemical change? WOOD BURNS | chemical change |