In addition, we feature articles on various forms of cancer. This information would be useful for student research. This has information about molecular modelling that may be of some use to teachers. They sure have a nice animated gif on their home page. Simply written so that children can understand it, they can read the history of man's discoveries about Mars, take an on-line quiz to check their knowledge, and read an article about NASA's Mars expedition.
Kids are always interested in inventions.
Here is a site that focuses on inventors. Here is a virtual science fair on the Internet. Not really HTML, but useful, just the same. This link downloads a file that gives one steps to writing a technology plan. Here are some examples of tech plans.