text: It would also be easier for the student to do the project on a topic they are comfortable with. If a student is confident in certain things, they can do the project on one of those topics. It would be hard to do a project on something that the teacher designed if the student didn't understand it that much. It could've been hard for the student to grasp the concept and if they picked it themselves it would save them the trouble of struggling to do the project. So basically, If you would want the students to do the project, it would be best to let them choose.