Aim: what you want to do
Hypothesis what you think will happen
Method a way to do it
Results what happens at the end of the experiment
Conclusion the end result
Discusion have a talk about what is going to happen or what has happend
Independent variable: is somthing that you change during the experement to get diffrent outcomes to get a avarge
Dependent variable: is the one you do not change during the experiment and the one you mesure
Controlled variable:is all the think you keep the dame
Fair test: same height same helicopter and sanme timer and start and stop is the same time
Reliability: do more than
Accuracy:how acurate your stops and starts of the timer is