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9 - Mod 2 Lesson 1
| Question | Answer |
|---|---|
| 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 |