Possibly the best Egypt site I have come across. Guardian's Egypt has information and links for many aspects of Egyptology. This site also has a page devoted to kids
"The word Copt is derived from the Greek word Aigyptos, which was, in turn, derived from "Hikaptah", one of the names for Memphis, the first capital of Ancient Egypt. The modern use of the term...
The Coptic Church is based on the teachings of Saint Mark who brought Christianity to Egypt during the reign of the Roman emperor Nero..."
This is an excellen resource by The Christian Coptic Orthodox Church Of Egypt, containing links to many useful Egyptian sites.
The Coptic Language is especially important because it developed from the Ancient Egyptian Language. It was instrumental in the deciphering of the Rosetta Stone. For more information on Coptic see Hieroglyphs
This site has a potpourri of interesting things, including a hieroglyph list, how to make your own mummy, and an Ancient Egypt quiz (I got all of the questions right. :) )
A lot more than just tourism, this site contains some interesting links related to Egyptian history. One site that I find especially useful is Egyptian Kings. Most of the Ancient Egyptian history is at Egyptian Antiquities. It also has a lot of fun stuff for kids like this coloring book.