It need not be amazingly accurate. It does need to involve numbers and a measurement of some kind. Be clear about what you actually measure, what you're tring to test, and what your conclusion is. Answer the same question for the magnetic field. Mon Nov 1 Finish reading about Special Relativity from our text.
Relativity claims that nothing with a finite rest mass can travel as fast as light.
Explain what this means, why it should be so, and what you would measure and experience if you had a really nice spaceship and tried anyway. Describe in your own words a quantum experiment, and the interpretation of what's going on. Light and Matter - free online intro physics texts, variety of topics.