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Physical Science

Unit 1, 2, 8

QuestionAnswer
What is a chemical change? When a substance reacts and forms one or more new substances
What is a physical property? Any characteristic of a material that can be observed or measured without changing the composition of the substances in the material
What is a chemical property? Any ability to produce a change in the composition of matter
What are some examples of physical properties? Viscosity, conductivity, malleability, hardness, melting point, boiling point, and density
What are some examples of chemical properties? Flammability, reactivity
When can a chemical change be observed? When a sample of matter is changing into different substances
What are some examples of a chemical change? Change in color, production of gas, formation of precipitate
What is a physical change? When some of the properties of a material change, but the substances in the material remain the same
When does the composition of matter change? (Physical or chemical) Chemical
When does the composition of matter stay the same? (Physical or chemical) Physical
Created by: mikaylaprice
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