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science voc lesson 1
| Question | Answer |
|---|---|
| matter | the physical material that has mass and occupies space |
| expansion | the increase in the volume of matter that occurs when matter is heated |
| contraction | the 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 unable to dissolve in one another |
| miscible | liquids that are able to dissolve in one another |
| 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 g or kg |
| volume | the amount of space occupied matter; measured in L, ml, cm3, or m3 |
| burning | rapid chemical reaction between a substance and a gas that produces heat and light. Most burning or combustion. |
| solid | a phrase or state of matter in which a substance has a definite shape and volume |
| liquid | a state or phrase of matter in which has a definite volume but no definite shape. Liquids take the shape of the container they occupy. |
| mixture | two or more elements of compounds that are not chemically combined |
| physical property | all the characteristic properties of a substance except those that determine how it behaves in a chemical reaction... |
Created by:
jsisson22
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