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States of Matter
solids gases and liquid
13
Science
7th Grade
01/04/2007

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Term
alloy
Definition
a homogeneous mixture of two or more metals or metals and other substance in a solid solution.
Term
concentrated solution
Definition
a solution that contains a high amount of solute.
Term
dilute solutions
Definition
dilute solution are solutions with a low concentration of solute are called dilute solutions.
Term
glass
Definition
a ceramic product made by mixing small amounts of limestone and potash with silica at high temperatures; a solution that is a supercooled liquid.
Term
hazardous product
Definition
a substance that requires special handling and storage because it is dangerous to human health or to the environment.
Term
heterogeneous mixture
Definition
an uneven mixture that contains two or more substances; samples of heterogenous mixture (a solution) will have the same properties.
Term
homogeneous mixture
Definition
a mixture that is the same throughout; all samples taken from a homogeneous mixture (a solution_ will have the same properties.
Term
matter
Definition
anything that takes up space and has mass.
Term
mechanical mixture
Definition
a heterogeneous mixture; at least dtwo substances are visible.
Term
mixture
Definition
any substances that contains at least two pure substances.
Term
particle theory
Definition
a theory used to explain matter and heat transfer. it suggests that all matter is made up of tiny particles too small to be seen. these particles are constantly in motion because they have energy. the more energy they have, the faster they move.
Term
plastic
Definition
a modern material manufactored in a multistep process, beginning with oil and gas.
Term
pure substance
Definition
any solid, liquid or gas that contains only one particle throughout.
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