Chapter 1 Vocabulary Cards Flashcards
Occurs when what the scientist expects changes how the results are viewed
Bias
A factor that does not change when other variables change.
Constant
The standard by which the test results can be compared.
Control
The mass per unit volume of a material.
Density
The variable whose value changes according to the changes in the other variables.
Dependent Variable
Tests the effect of one thing on another using controlled conditions.
Experiment
A visual display of information or data.
Graph
A possible explanation for a problem using what you know and what you observe.
Hypothesis
The variable you change to see how it will affect the dependent variable.
Independent Variable
A measurement of the quantity of matter in an object.
Mass
Represents an idea, event, or object to help people better understand it.
Model
A statement about what happens in nature and that seems to be true all the time.
Scientific Law
An organized set of investigation procedures.
Scientific Method
The International System of Units– the standard accepted and understood by scientists throughout the world.
SI
An exact quantity that people agree to use to compare measurements.
Standard
