scientific inquiry   

The outgoing process 

discovery in science.

hypothesis

A possible explaination

for a set of observations

or answer to a scientific question.                        

Variable

A factor that can change

in an experiment.            

manipulated variable

The one factor that a 

scientist changes during

an experiment.           

responding variable 

The one factor that changes

as a result of changes the 

manipulated.                     

controlled experiment

An experiment in which only

one variable is manipulated

at a time.                          

operational definition

A statement in describe

how to measure a