Using their knowledge about physics, the students had to design an incline plane that would provided the slowest path of travel for a marble.
(the students; to design; an incline plane that would provided the slowest path of travel for a marble) (an incline plane; would provided; the slowest path of travel for a marble)
the students an incline plane
to design would provided
an incline plane that would provided the slowest path of travel for a marble
the slowest path of travel for a marble