Grolier Online - Includes eight encyclopedia databases: Encyclopedia Americana,Grolier Multimedia Encyclopedia, The New Book of Knowledge,La Nueva Enciclopedia Cumbre, America the Beautiful,Lands and Peoples, Amazing Animals and The New Book of Popular Science.
Free Teaching Resources
Here are some more teaching resources. We don't have to pay for them, but we've gathered them all into one place and made them look pretty for you. Enjoy.