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Combining and Separating 1.1
Vocabulary Set 1
19
Science
7th Grade
09/17/2018

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Term
Heterogenous
Definition
a substance in which the parts are clearly different shapes and colors; different throughout
Term
solubility
Definition
the amount of a substance (solute) that will dissolve in another substance (solvent) at a certain volume and temperature
Term
volume (matter)
Definition
the amount of space an object or substance takes up
Term
chemical test
Definition
the use of a chemical to find out something about a substance - such as a pH test
Term
emulsion
Definition
a mixture of two or more liquids that cannot dissolve in each other
Term
chemical change
Definition
a chemical reaction; a process that changes substances into new substances (related word: chemical reaction)
Term
colloid
Definition
a type of heterogeneous mixture in which fine particles are suspended in a liquid, solid, or gas medium
Term
Attract
Definition
to pull towards; opposite poles of a magnet come together when they attract each other (related word: attraction)
Term
filter
Definition
a method or component for separating substances from each other
Term
Pure substance
Definition
a material with a particular chemical makeup
Term
Mixture
Definition
a combination of substances that can be physically separated from one another
Term
Chemical
Definition
an element or compound (related words: chemist, chemistry)
Term
Chemical reaction
Definition
interaction between molecules that causes a chemical change, converting an existing substance into a new substance
Term
substance
Definition
the physical matter of which living or nonliving things are composed
Term
compound
Definition
a chemical combination of two or more elements
Term
solute
Definition
a substance that has the ability to be dissolved by a solvent to create a solution
Term
Matter
Definition
material that has mass and takes up some amount of space
Term
Solution
Definition
a mixture in which a solid and a liquid or two liquids are mixed so evenly, that it is not possible to see the separate particles
Term
Solvent
Definition
a substance that has the ability to dissolve a solute when forming a solution
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