Biology

• Fun with Lichens - Lichens are organisms.

Botany

• Botany Column
• Plant Encyclopedia
• Wild About Plants

Clubs

• Science Kids Clubs

Earth Science

• Earth in Balance
• Geology of North Dakota
• Fossils!
• Quasicrystals

General

• ExploreZone - This site has lots of general science information.
• Extreme Science
• Franklin Institute Science Museum
• Hotlist: Kids Did This
• The Last Word from New Scientist
• Museum of Unnatural Mystery
• The Magic School Bus
• NRP Science Friday Kids
• OMSI Science Whatzit
• Science Friday for Kids
• Science/Nature for Kids
• University of Illinois Urban Programs
• Visualize Science!
• The Yuckiest Site on the Internet - This site isn't afraid to talk about subjects most people try to ignore. It covers about everything imaginable.

Health and Medicine

• Explore the Brain and spinal Cord
• Food Pyramid
• Neuroscience for Kids
• The Senses

Specific Topics Not Shown Above

• The Science of Ballooning
• Theater of Electricity
• The Forces of Flight
• Everyone Needs Water - The Water Cycle

• Internet Public Library - Science Fair Resource Guide is actually a list of links to science projects.
• Kids’ Science Projects - The projects are listed as simple, medium and advanced and there are a lot more links on the pages.
• Science Fair Idea Exchange - A neat site where you can exchange ideas and get some different ideas.
• Science Fair Projects and Science Fairs - SUPER links collection to a variety of science fair sites
• Science Project Guidelines - excellent, simple to read & understand step-by-step guide to setting up a science project
• Volcanoes: - This page is my Science Fair Project in Third Grade.
• What Stores Solar Energy Best? An experiment that would be good for a science project.