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Physical Science Ch1

PHYSICAL SCIENCE

QuestionAnswer
the pattern of investigation procedures Scientific Methods
a possible explanation for a problem using what you know and what you observe Hypothesis
tests the effect of one thing on another using a control Experiment
is a quantity that can have more than a single value Variable
its value changes according to the changes in the other variables Dependent Variable
a factor that does not change Constant
is the standard by which the test results can be compared Control
occurs when the scientist’s expectations changes how the results are analyzed or the conclusions are made Bias
represents an idea, event, or object to help people better understand it Model
is an explanation of things or events based on knowledge gained from many observations and investigations Theory
is a statement about what happens in nature and that seems to be true all the time Scientific Law
is an exact quantity that people agree to use to compare measurements Standard
are universally accepted and understood by scientists throughout the world SI
the amount of space occupied by an object Volume
is anything that takes up space and has mass Matter
is a measurement of the quantity of matter in an object Mass
is the mass per unit volume of a material Density
is a visual display of information or data Graph
is the application of scientific knowledge to benefit people Technology
is a group of people that share similar values and beliefs Society
the variable changed to see if it would affect the dependent variable Independent Variable
Created by: P.V.A.
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