Internet Lesson
Extensions
.edu--Education
.gov--Government
.org--Nonprofit
.mil--Military
.net--e-mail providers
.com--Business
.k12--Public schools
http://www.pbskids.org
URL starts with:
1. http:// (it is not necessary to type this section)
2. www. (world wide web)
3. pbskids. (website name)
4. org (domain extension)