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18 Cards in this Set

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Scientific Method
an organized set of investigation procedures
Hypothesis
a possible explanation for a problem using what you know and what you observe
Experiment
tests the effect of one thing on another using controlled conditions
Variable
a quantity that can have more than a single value
Dependant Variable
a variable with a value that changes according to the changes in the other variables
Independant Variable
the variable you change to see how it will affect the dependent variable
Constant
a factor that does not change when other variables change
Control
the standard by which the test results can be compared
Bias
when what you expect changes how the results are viewed
Model
represents an idea, event, or object to help people better understand it
Theory
an explanation of things or events based on knowledge gained from many observations and investigations
Scientific Law
a statement about what happens in nature and that seems to be true all the time
Technology
the application of science to help people
Standard
an exact quantity that people agree to use for comparison
Volume
The amount of space occupied by an object
Mass
measurement of the quantity of matter in an object
Density
the mass per unit volume of a material
Graph
a visual display of information or data