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Science Test Study
Question | Answer |
---|---|
What is the definition of physical property? | A property that can change, and be easily reversed. |
Define chemical property. | A property that can change, and cannot be easily reversed. |
List the 5 chemical porperties | reactivity radioactivity oxidation flammability pH |
Define Melting Point | The temperature at which a solid turns to a liquid |
Define Viscosity | The state of being thick and sticky in consistancy |
Define Solubility | The amount of a substance that will dissolve in a given amount of another substance |
Define Hardness | How easy or difficult it is to scratch something |
Define State of Matter | The different forms in which matter can exist. Solid, liquid, and gas |
Define Texture | The feel or appearance of something |
Define Ductility | A solids ability to split or break under stress or force |
Define Thermal Conductility | A measure of how well a material can conduct heat |
Define Magnetism | The property of attracting certain metals |
Define Boiling Point | The temp at which a substance changes from a solid to a liquid |
Define Electrical Coductivity | The measure of the amount of electrical current a material can carry |
Define Odor | The property that activates the sense of smell |
Define Density | A property of matter representing the mass per unit volume |
Define Malleability | The qualtiy of being able to bend without breaking |
Define Luster | The state or quality of being shiny |
Define Reactivity | The degree to which a substance is reactive |
Define Radioactivity | the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei |
Define Oxidation | Any chemical reaction when a material gives up electrons, as when the material combines with oxygen |
Define Flammability | The ability to light on fire |
Define pH | A number between 0 and 14 that indicates if a chemical is an acid or a base |
List 4 things that prove a chemical change happened | Gas, new substance, light, or heat |