The phase is concluded when students report the method and results of their experiment through written, oral, poster-style, or multimedia-based presentations.
(The phase; is concluded; T:when students report the method and results of their experiment through written, oral, poster-style, or multimedia-based presentations) (students; report; the method and results of their experiment)
The phase students
is concluded report
T:when students report the method and results of their experiment through written, oral, poster-style, or multimedia-based presentations
the method and results of their experiment