Learn about simple machines with a focus on pulleys and gears.
Your best source of info on Canadian topics. Use the search box to find in-depth articles from the Canadian Encyclopedia, Maclean's Magazine, Canadian Encyclopedia of Music, and TV and radio spots such as Historica Minutes.
Look here for information on science, animals, planets and space. Good for grades 4-8.
The full print encyclopedia plus additional articles, videos, sound clips and links to websites.