Physical model
You can see it
Independant variable (manipulated)
What is changed
Results/what you measure
Dependant variables
Mental model
Can’t see it
Is an idea
What is changed
Independant variable (manipulated)
The thing that you don’t do anything to
Control
Dependant variables
Results (what you measure)
Control
Is the thing that you don’t do anything to
Variables
Things that change in an experiment
Things that change in an experiment
Variables