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Chapt1

Mrs. Cummings Physical Science Ch. 1 Vocabulary

QuestionAnswer
An organized set of investigation procedures. Scientific Method
Possible explanation for a problem using what you know and what you observe. Hypothesis
A visual display of information or data. Graph
The modern version of the metric system that is accepted around the world. SI
Tests the effect of one thing on another using controlled conditions. Experiment
The application of science to help people. Technology
A factor that does not change when other variables change. Constant
The mass and volume of an object is used to find this. M/V Density
A quantity that can have more than a single value. Variable
Represents an idea, event, or object to help people better understand it. Model
A factor that changes as a result of changes in the other variables. Dependent Variable
A measurement of the quantity of matter in an object. Mass
An exact quantity that people agree to use to compare measurements. Standard
The amount of space occupied by an object. Volume
A factor that,as it changes, affects the measure of another variable. Independent Variable
A standard by which the test results can be compared. Control
Occurs when, what the scientist expects, changes how the results are viewed. Bias
Statement about what happens in nature, which seems to be true all of the time. Scientific Law
An explanation of things or events based on knowledge gained from many observations and investigations. Theory
Created by: mrscummings
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