I'm posting some information for you ....I hope it can be of some use.
Fact :
A fact is something that is always true and can be proved.
Opinion :
An opinion is something that can not be proved. People might disagree about an opinion.
After you understand these two definitions, you could watch this slide presentation. I think the content will be useful for you in your effort to further your English language studies :
Note : after the slide show starts,
you can use your mouse to drag the definitions around
or to make the print larger.
Note : after the slide show starts,
you can use your mouse to drag the definitions around
or to make the print larger.
Source :
http://itblibrary.blogspot.co.id/2012/10/define-describe-compare-explain.html