Aha, wormeries! The answers are yes, yes, yes and the worms seem to look after themselves fine - though if you went for more than a month or two and it was very hot or cold you might want to get someone to check over them.
I have a wooden one (made by St. Mungo's homeless men, under a fab scheme run by CRISP - community recycling in Southwark project). The plastic ones are a bit different. There are not many of these CRISP wormeries in circulation, but some of the other Forum posters have them too.
I can talk wormery for hours - any more questions??? You are welcome to come for an inspection visit too - PM me if you like.
Julie I have one of the wooden wormeries that tulmjj mentions which is going spare and you are welcome to have if you want to give it a go. Mine was resaonably sucessful but as I am ina household of four and also a cookery writer who cooks a lot at home, I was producing just too much food waste for them to cope with. They were pretty efficient with what I did feed them but once I started not to throw away all my compostable waste I found it frustrating throwing the excess away. I ended up getting a compost heap cheap from the council and squeezing it into my tiny garden. The worms are now happily chomping their way through my waste in that. Also have a good book on the subject but do not suggest this title for the book club. I am also going to be at the social on thursday so see me then or private message me (it has been suggested that you and I are almost neighbours so I was hoping to meet you.)
Don't hold back on the title of the book. (I imagine it's a relatively short tome, so) we could have a two-short-but-practical-books month and do your book on worms, alongside "Starting with chickens" (a great read. Thoroughly recommended).
The title of the book. Worms eat my garbage by Mary Appelhof (completely revised after 100,000 copies sold!) and a magnificent 162 pages. Having read this and Don't drop the Coffin, I know which one I would want to discuss.