Chapter 1 Vocabulary Cards
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Bias
When what the scientist expects changes how the results are viewed
Constant
A factor that doesn’t change when other variables change
Control
The standard by which the test results can be compared
Density
The mass per unit volume of material
Dependent variable
Value changes according to the changes in the other variables
Experiment
Tests the effect of one thing or another using controlled conditions
Graph
Visual display of information or data
Hypothesis
A possible explanation for a problem using what you know and what you observe
Independant Variable
The variable you change to see how it will affect the dependent variable
Mass
A measurement of the quality of matter in a object
Modle
Represents an idea, event, or object to help people better understand it
Scientific Law
A statement about what happens in nature and that seems to be true all the time
SI
International System of Units
Standard
An exact quantity that people agree to use to compare measurements
Technology
The application of the science to help people
Theory
The application of science to help people
Variable
A quantity that can have more than a single value
Volume
The amount of space occupied by an object