text: Second of all, teachers get to know you over 30 some weeks of school. With that they know what your like. Teachers will have fun interesting projects for all the students. When coming to a science fair topic for me its difficult to think off what should i do or will that be allowed. Teachers will take care of all of that though you will have a list of 5 or so topics to choose from. The topics will be educational for your next years class.