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Physical Science 1: Introduction to Science

a description of how close a measurement is to the true value of the quantity measured
a prescribed decimal place that determines the amount of rounding off to be done based on the precision of the measurement
a measure of the size of a body or region in three-dimensional space
a method of expressing a quantity as a number multiplied by 10 to the appropriate power
the application of science for practical purposes; the use of tools, machines, materials, and processes to meet human needs
a system of ideas that explains many related observations and is supported by a large body of evidence acquired through scientific investigation
a measure of the gravitational force exerted on an object; its value can change with the location of the object in the universe
a measure of the amount of matter in an object; a fundamental property of an object that is not affected by the forces that act on the object, such as the gravitational force
the ability and willingness to assess claims critically and to make judgments on the basis of objective and supported reasons
the exactness of a measurement
a factor that changes in an experiment in order to test a hypothesis
a series of steps followed to solve problems, including collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions
a measure of the straight-line distance between two points
the knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested
a descriptive statement or equation that reliably predicts events under certain conditions