http://www.rome.mrdonn.org/

A great link that has just about every topic dealing with the history of Ancient Rome. I highly recommend students start with this link before moving on to some of the others. 

http://www.historyforkids.org/learn/romans/

Another great link that has just about everything on Ancient Rome. 

http://www.socialstudiesforkids.com/articles/worldhistory/romanbaths.htm

Information only on Roman baths. 

http://www.mariamilani.com/ancient_rome.htm

Another site that has a good amount of information on the daily life of Ancient Romans. This site might seem intimidating at first due to the amount of links on its page, but once you figure out how to navigate the site it becomes a valuable resource tool. 

http://www.bbc.co.uk/schools/primaryhistory/romans/

Much like the previous link, this provides some detailed information about the everyday life of Romans during the period. 

http://penelope.uchicago.edu/~grout/encyclopaedia_romana/notaepage.html

Detailed information about many topics in Ancient Roman history.