Go ahead and do it without asking.
Ask for permission to do it from your teacher.
Talk to your group for permission. If they say it is a good idea, you can do it.
Never ever change an experiment, not even with teacher permission.
The study of matter and energy on an atomic scale.
The study of empirical experiments.
The study of the physical world, including matter and energy.
The study of science.
Pertaining to empires.
Able to be thought out.