Local Libraries:

Pratt Library
http://www.pratt.lib.md.us/

Baltimore County Library
http://www.bcplonline.org/

Web Resources:

Discovery Kids
http://kids.discovery.com/

PBS Kids
http://pbskids.org/

National Geographic
http://www.nationalgeographic.com/

Scholastic
http://scholastic.com/

Smithsonian Education
http://www.si.edu/