University of Illinois
University of Illinois Urbana Champaign: Chickscope From Egg to Chick
Are you interested in a science project of hatching chicks? This website is designed to help you study incubation and embryonic development of chicken eggs. Illustrations also show the parts of an egg and the stages of embryonic...
Pennsylvania State University
Penn State University: Embryology in the Classroom
Come and learn more about how to incorporate embryology into your classroom. This site features tons of information about the embryology of chickens.
Other
Kiddy House: All About Chickens for Kids and Teachers
This comprehensive resource features everything you want to know about chickens. Students and teachers will "cluck" when they explore this site.