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Browse the glossary using this index

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A

accuracy

how closely a measurement aligns with a correct value

atom

smallest particle of an element that can enter into a chemical combination

C

Celsius (°C)

unit of temperature; water freezes at 0°C and boils at 100 °C on this scale

chemical change

change producing a different kind of matter from the original kind of matter

chemical property

behavior that is related to the change of one kind of matter into another kind of matter

chemistry

study of the composition, properties, and interactions of matter

compound

pure substance that can be decomposed into two or more elements

cubic centimeter

volume of a cube with an edge length of exactly 1 cm

cubic meter

SI unit of volume

D

density

ratio of mass to volume for a substance or object