Things you can provide to your students via the Internet.

Passive.

• Syllabus and instructor notes. (Word, PDF, html)
• Special assignments. (Example: Spreadsheet on Friction)
  
• Sample assignments. (Past or sample tests, examples of good writing, good lab reports)
• Grades. (Coded or password protected)
  
• Solutions to homework.

Active.

• email.
• Pre-lecture quizzes.
• Feedback form page.
• Student collaboration. (Chat rooms,  peer evaluation)
  
• Simulations. (Examples later)
  
• Automatically graded homework.

Http://Physics.ius.edu