Museum of Science
Boston Museum of Science: Teacher Resources, Microscopes
The Boston Museum of Science has instructions on how to build a microscope, set up a microscope lab, taking samples, and making a collection.
Nobel Media AB
The Nobel Prize: Microscopes Help Scientists Explore Hidden Worlds
This is a site full of information about various microscopes and the objects and processes scientists study with them. Includes timelines and interactive simulations.
Space Telescope Science Institute
Amazing Space: Mission Mastermind
This site is provided for by Amazing Science. "NASA needs your help in planning a Hubble Servicing Mission. Join the team!"
Other
Microscope Master: How to Use a Microscope
This website gives detailed step-by-step instructions on how to use and adjust a compound microscope.