The web is fast becoming a prime resource for finding science experiments. These sites offer step-by-step procedures for actual physical experiments, not just online simulations.

1. Experimental Science Projects ( Designed by educators, this site is an excellent guide for teachers, explaining how to organize science projects and how to determine whether a project is appropriate for students in elementary and intermediate grades.

2. Memory Experiments ( Fun for parents and kids, this site includes games and techniques to improve memory.

3. Hunkins Experiments ( This child-friendly site presents cartoons that direct kids along the experiment path. Experiments are divided into themes such as food, light, and sound.

4. Yes Mag Projects ( Designed for younger students, this site provides simple experiments with household items such as paper, toothpicks, and milk.

5. Science Toys You Can Make With Your Kids ( Aimed at highschoolers and their parents, these toys illustrate advanced concepts such as magnetism, thermodynamics, and light and optics. Excellent diagrams explain the procedures for each experiment.

6. Bizarre Stuff You Can Make in Your Kitchen ( Described as an online “museum of classic science experiments,” these are the types of experiments that were found in Popular Science and similar magazines in their heyday. The site caters to a wide range of sophistication levels.

7. Reeko’s Mad Scientist Lab Experiments ( Experiments in basic science concepts such as chemistry, motion, and energy. Each description includes notes that indicate the skill level required.

8. Science Playwiths ( This site provides ideas and advice for kids who are preparing projects for school science fairs.

9. The Kinetic City Lab Car Page ( These simple projects are ideal for young students and include making paper, creating a shipwreck, and inventing a secret code.

10.Fun Science Gallery: The Site of the Amateur Scientist ( This is a great site for hands-on construction, featuring instructions on how to build telescopes, microscopes, batteries, and other instruments.

11. Energy & Science Projects ( Presenting energy-oriented projects for all grade levels, this site was created by the California Energy Commission.

12.The WWW Virtual Library: Science Fairs ( This site enables interaction with students and teachers around the world who are designing and completing science fair projects.

13.The Thinking Fountain A-Z ( Created by the Science Museum of Minnesota, this is a comprehensive database of science experiments. It’s well-organized and provides detailed information about exactly what tools and skills are needed to complete each project.

14. Magnet Man’s Cool Experiments with Magnets ( As its title indicates, this site focuses on magnetism and includes a wide array of experiments, including some of high sophistication.

15.WonderNet: Your Science Place in Cyberspace ( ). This elementary school site has three new activities each month, based on the widely respected book series, The Best of WonderScience, developed by the American Chemical Society.

16. Cool Science Experiments with Alka-Seltzer ( This site from the maker of Alka-Seltzer presents five experiments kids can do with the tablets.

17. Junk Box Wars ( This site is a modified version of the popular TV show Junk Yard Wars. Students take junk items and fashion them into fighting machines that battle against other machines. The web site provides instructions for creating your own junkyard battles.

18. Engineering and Science: A Curriculum for K-12 ( A part of NASA’s Lego Design and Engineering Program, this site offers more than two dozen experiments that illustrate basic aeronautical principles.

19. Weather Eye Experiments ( Developed by the U.S. Weather Service, this site provides weather-related games, information, and experiments. The experiments can be completed with items found in most homes.

20. TryScience ( This site has a wide variety of experiments, most of which have extensive animation to act as explanatory guides. Objectives, materials, and procedures of experiments are clearly identified.