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Physical Science - Introduction - Unit 1
Terms in this set (17)
organized set of investigation procedures that can include stating a problem, forming a hypothesis, researching and gathering information, testing a hypothesis, analyzing data, and drawing conclusions.
educated guess using what you know and what you observe.
organized procedure for testing a hypothesis that tests the effect of one thing on another under controlled conditions.
factor that can cause a change in the results of an experiment.
in an experiment, a variable that does not change when other variables change.
standard used for comparison of test results in an experiment.
mass per unit volume of a material.
factor that changes as the independent variable changes.
factor that, as it changes, affects the measure of another variable.
International System of Units -the improved, universally accepted version of the metric system that is based on multiples of ten and includes the meter (m), liter (L), and kilogram (kg).
amount of space occupied by an object.
amount of matter in an object.
visual display of information or data that can provide a quick way to communicate a lot of information clearly in a small amount of space.
explanation of things or events that is based on knowledge gained from many observations and experiments (book). An explanation for an observation or series of observations that is substantiated by a considerable body of evidence.
statement about how things work in nature that seems to be true all the time (book). A set of observed regularities expressed in a concise verbal or mathematical statement.
exact, agreed-upon quantity used for comparison
a unit obtained by combining different base units; example is density - D = m/V
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