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no
The way they are produced, studied, and the power they have are the only common differences.
There are not "7 electromagnetic waves". The electromagnetic spectrum is a continuous one, without any divisions.Many people, engineers and experimental physicists in particular, paste some rather wide labels on parts of the EM spectrum. This is done for their convenience, and mostly is a flexible classification. There are no divisions of the actual spectrum.Having said that, the common classification is :-gamma rayshard X-rayssoft X-raysfar ultravioletultravioletvisible lightinfraredfar infraredmillimeter wavesmicrowavesUHFVHFHFMFLFULF
The EM spectrum, is based upon the emission of photons at different wavelengths. Visible light is a small part of this spectrum. As all of the spectrum travels at the speed of light - C. The frequencies for different wavelenghts of photons will be different. The creation of these different parts of the spectrum are from different oscillations (http://en.wikipedia.org/wiki/Electromagnetic_spectrum#Rationale) For instance radio waves come from the oscillation of electrons in an antenna. Limitations on these oscillations cause the limitation in the spectrum, at one end there is radiowaves, limited by electron oscillation and the at the other side is gamma from the creation of particle antiparticle pairs.
infrared
No, atmosphere will block some spectrum.
You can't see the different colors that are shown
The way they are produced, studied, and the power they have are the only common differences.
It's composed of wavelengths to which the eye is sensitive.
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Different parts of the electromagnetic spectrum give different types of information.Different parts of the electromagnetic spectrum give different types of information.Different parts of the electromagnetic spectrum give different types of information.Different parts of the electromagnetic spectrum give different types of information.