How to copy entire websites?

[MisterLove]

Is it possible to copy an entire website, save it and the use it offline?

I'm a high school teacher and I was thinking of saving websites onto my Android tablets and then use them in class.

That would be beyond awesome.

Thanks in advance, guys!

[Ekwarph]

Maybe try the plugin fireshot for firefox
https://addons.mozilla.org/firefox/addon/fireshot/