Choose a picture and paint away. Kid's Web presents students with a subset of the Web that is very simple to navigate, and contains information targeted at the K-12 level. A really nice site for kids. Find your school home page or find you friend's school home page. Here's a great site with links to over 250 shareware and freeware programs for kids, programs for both Macs and PCs.
Archaeology is a good subject to help structure the learning of science, history, and social issues.