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Chem Unit 1 vocab
Vocabulary Quiz
Question | Answer |
---|---|
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) |