Structure of what? I'm assuming you're thinking of chemistry, which deals with the structures and chemical composition of substances and the changes they go through...
the processes involve in science is experimental
All of them. Anything that you can perceive with any of your senses involve science.
Now a days every scientific activity involves (and should/must involve) collaboratoin and cooperation from different fields of science. However the structure of earth and its chemistry is studied by geologists and seismologists.
because it is
yes, everything involves science.
yup.
chemidtry
Yes, there is writing that tells about imaginary events that involve science or technology; there is a category for such writing, called "science fiction" or "scifi".
Science does not involve 'beliefs'.
Yes many branches of science involve math
nonscience ... or is that nonsense?
:]x