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Chem Unit 1 vocab

Vocabulary Quiz

QuestionAnswer
SI Le Systeme International d'Unites
Weight A measure of the gravitational pull on matter
Mass measure of the quantity of matter
Quantity Something that has magnitude, size, or amount
Volume The amount of space occupied by an object
Density The ratio of mass to volume, or mass divided by volume
Base unit fundemental unit
Derived Units Combinations of SI base units
Accuracy A description of how close a measurement is to the true value of the quantity measured
Precision the closeness of a set of measurements of the same quantity
Chemical any substance that has a definite composition
Chemistry the study of the composition, structure, and properties of matter, the processes that matter undergoes,and the energy changes that accompany these processes
Basic Research performed to increase knowledge
Applied Research performed in order to solve a specific problem
Technology involves the production and use of products that improve quality of life
Scientific Method logical approach to solving problems
Density Mass per unit volume (D=M/V)
Created by: cooperk