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Ch 4 Vocab- Chem

TermDefinition
Hypothesis testable statement
Theory broad generalization that explains a body of facts or phenomena
Derived Unit Combinations of SI base units
Density ratio of mass to volume, or mass/volume
Accuracy the closeness of a set of measurements to the correct or accepted value of the quantity measured
Direct Proportion if dividing one by the other gives a constant value
Precision the closeness of a set of measurements of the same quantity in the same way
scientific method principles and procedures for the systematic pursuit of knowledge involving the recognition and formulation of a problem, the collection of data through observation and experiment, and the formulation and testing of hypotheses.
model explanation if how phenomena occur and how data or events are related
SI Le Systeme International d'Unites
Quantity something that has magnitude, size, or amount
Inverse Proportion constant product
Percent Error calculated by subtracting the experimental value from the accepted value, dividing the difference by the accepted value and then mutipling by 100
system specific portion of matter in a given region of space
conversion factor which represents the relationship between two different units.
weight measure of gravitational pull on matter
volume amount of space occupied by an object
significant figures consists of all digits known with certainty plus one final digit
scientific notation mathematical expression used to represent a decimal number between 1 and 10 multiplied by ten
Created by: 519516
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