High School Science Sites

• National Center for Biotechnology Information - The homepage for the NationalCenter for Biotechnology Information sponsored by the National Library of Medicine and the National Institutes of Health. Contains links to other sites on genetics.
• Centre for Microscopy & Microanalysis - Images visible only by microscope from the Centre for Microscopy & Microanalysis at the University of Queensland, Australia. Examples of images: blood cells, bone marrow, chloroplast, mitochondrion, nerve, etc.
• Yahoo's Index of Science Resources - Yahoo's menu of science related sources providing links to sites around the Web on a variety of scientific subjects.

Chemistry

• The Chemistry Place - a central place for students to access the online materials needed to succeed in their chemistry courses - a 24/7 personal study portal.
• Chemicool Periodic Table
• ChemBioFinder Scientific Database Gateway - search for a chemical name, CAS Number, molecular formula, or molecular weight.
• General Chemistry Online - Resources for students and teachers of introductory college chemistry, including lecture guides, a question and answer board, a searchable glossary with audio, resource database, and programmed learning tutorials.
• Instructional Materials in Chemistry - The WWW sites linked to from this page provide practical assistance for Chemistry teachers wanting to use the Internet as part of their classroom planning/instruction.
• Chemmy Bear - Resources by Chemmybear and His Students

Physics

• The American Institute Of Physics - AIP is a leading STM publisher of research journals, proceedings and other scientific publications.
• Amusement Park Physics
• Physics and Astronomy Online - Physics, science, engineering reference.
• The Official String Theory Web Site
• U.C. Berkeley Physics Lecture Demonstrations
• The University of Iowa Department of Physics and Astronomy - Instructional Resources and Lecture Demonstrations Website
• Instructional Materials in Physics - "Theme Pages" which focus on specific topics within Physics. CLN's theme pages are collections of useful Internet educational resources within a narrow curricular topic and contain links to two types of information.
• Quarks to Quasars: Powers of Ten - This website presents the universe in powers of 10. From the smallest particles within the nucleus of an atom to the expanse of the visible universe and beyond, a unique sequence of images displays the relative sizes of objects in our universe.

Biology

• U.S. Geological Survey
• Turtle Trax - A Page Devoted to Marine Turtles
• Molecular And Cellular Biology - Harvard University
• The Visible Embryo - a comprehensive resource of information on human development from conception to birth, designed for both medical student and interested lay people.
• Rainforest Action Network
• The Biology Project - The University of Arizona's an interactive resource in learning about biology