I think you could do all of those, but if it's a project for a class, it would be a lot more interesting to do something more serious and worthy of your teacher's genuine interest in why you chose that particular subject.
I suggest a survey on what people think about Safe Sex. How safe is safe sex...easy to do, very interesting to see the responses after a few years of society being bombarded with this and other notions in sex education.
I know it sounds boring, but I'm too academic to know better!
