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9 - Mod 2 Lesson 1
Question | Answer |
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physical property | the characteristics of a substance that can be observed or measured without changing the substance |
Viscosity | the resistance to flow |
Conductivity | the ability of an object to transfer heat or electricity to another object |
Malleability | the ability of a substance to be hammered or beaten into thin sheets without shattering |
Hardness | the resistance to indentation |
Melting point | the temperature at which a substance changes from a solid to liquid |
Boiling point | the temperature at which a substance boils |
Density | the amount of matter in a given space |
Chemical properties | the characteristics of a substance that determine how it will react with other substances |
Flammability | a material's ability to burn in the presence of oxygen |
Reactivity | the property that describes the likelihood of a substance combining chemically with other substances |
Physical change | a change of matter from one form to another without a change in chemical properties |
Chemical change | a change in matter that produces one or more new substances |