hypothesis
a possible explanation
theory
a well-supported explanation of a natural event
control group
all variables are kept the same and is used for comparison against the experimental group
controlled variables
variables that remain the same
dependent variable
the variable that the scientist observes to see if it changes as a result of the independent variable being changed
independent variable
the variable that the scientist changes
controlled experiment
an experiment designed to test a hypothesis where only one variable is changed.
qualitative
uses descriptions
Quantitative
uses numbers