The ROSE questionnaire asks about what science topics 15-year old students want to learn. By making a factor analysis of results from Sweden, it was possible to derive 18 factors. The factor with strongest connection to student interested in school science is created by topics like explosive chemicals, ABC weapons, electric shocks, atoms and molecules. A minority of the students has these interests and they appreciate school science and tend to choose science for upper secondary level. The factor analysis also shows that the students own interests govern their choice for upper secondary school.