I think an interesting science project would involve the different blood types. There are many good projects on this topic. Look it up, there aremany facsinating things.
Science projects for teens include: hometrainingtools.com/a/science-projects 101science.com/science_experiments.htm education.com/science-fair/physical-science/
Check out sciencebuddies.com they have some great projects!
death
Niger.
Some of the best science projects are Volcanos, Earthquakes, Solar System, Eruption of chemicals and there are many other projects that you can do as well.
Go to Sciencebuddies.com and you can find all kinds of projects!
Here are some links to try out.
backing powder and muffins
How the heart works.
bread