Your school website is a good website to find a science fair project. Science programs for kids typically have websites with projects listed. PBS has a website for kids that includes science projects.
Google, national geographic channel or discovery channel
sciencebuddies.com was recommended to me by my science teacher and it is a very good website that can help you with science projects and even help you decide what you want your project to be!!
go on google and type in science fair projects its that simple
One can find ideas for mechanical projects by going to the Science Buddies website. The website has a number of ideas for mechanical engineering projects.
breast
Decomposition, energy, light, electricity, and photosynthesis are all good science fair topics
Go to Ask.com and type in Science answers
When I did my Science Fair project, I was asked how I did the project, How I used my research, and how it applied to real life. If you do your project well and give a good explanation to the judges, it should be a breeze.Here is a good website to help with the judging!! :)http://www.sciencebuddies.org/science-fair-projects/project_judging.shtml
Well it depends on what type of science you are doingg. :)