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science words
Question | Answer |
---|---|
Matter | the physical material made of mass that takes up space |
expansion | the increase in the volume of matter that occurs when matter is heated |
contraction | decrease in volume of matter when matter is cooled |
dissolving | the process that takes place when a solvent is mixed with a solute to make a solution |
immiscible | liquids that are not able to dissolve in water or any substance |
miscible | liquids that are able to dissolve in one anotherq |
density | the mass of a known volume of a substance, measured in g/cm3 |
chemical reaction | any change that involves the formation of a new substance; has reactants and products |
mass | the amount of matter in an object; measured in grams |
volume | the amount of space occupied by matter; measured in liters |
burning | a rapid reaction between a chemical and a gas |
solid | a phase or state of matter in which a substance has a definite shape and volume |
liquid | a phase of matter in which a substance does not has a definite; shape or volume/ takes shape of any container |
mixture | two or more elements that are mixed together but not chemically combined |
physical property | all the characteristic properties of a substance accept those that determine how it behaves in a chemical reaction |