Encourage your charges to pick up a book (or two, or three) over the summer! They'll find 25 different ideas on this list of summer reading books for kids. Each book is paired with publication information and a brief synopsis, so your...

Discover the "Great Lakes State." Learn all of the different nicknames for Michigan. Library of Congress website gives us a wide range of information.

Major groups of diatoms listed. Also genera list. A comprehensive site on diatoms.

The USGS reviews the differences between lakes and reservoirs. They discuss the history of freshwater and salt water lakes. Click Home to access the site in Spanish.