Originally Posted by iAttorney
to completely close an app, hold the home button until you are taken to the home screen. Do not just press the button, actually press and hold it down for around 5 seconds.
Also, most if not all of these questions can be found using the search button for the forums. I wanted to point that out because some of the senior members get a little miffed when someone has not searched.
I appreciate the info. I actually did try a search on this subject, as it takes longer to get a response than it does loading a webpage,

but words that were crucial to my finding this information were deemed "too common, short..."