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ch 2 PS HRW
chapter 2 PS HRW
11
Chemistry
8th Grade
01/17/2008

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Term
chemical change
Definition
a change that occurs when one or more substances change into entirely new substances with different properties
Term
chemical property
Definition
a property of matter that describes a substance's ability to participate in chemical reactions
Term
density
Definition
the ratio of the mass of a substance to the volume of the substance
Term
inertia
Definition
the tendency of an object to resist a change in motion unless an outside force acts on the object
Term
mass
Definition
a measure of the amount of matter in an object
Term
matter
Definition
anything that has mass and takes up space
Term
meniscus
Definition
the curve at a liquid's surface by which one measures the volume of the liquid
Term
physical change
Definition
a change of matter from one form to another without a change in chemical properties
Term
physical property
Definition
a characteristic of a substance that does not involve a chemical change, such as density, color, or hardness
Term
volume
Definition
a measure of the size of a body or region in three-dimensional space
Term
weight
Definition
a measure of the gravitational force exerted on an object; its value can change with the location of the object in the universe
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