3. HYPOTHESES
Following are seven null hypotheses for the study: H01: There is no significant difference of scientific inquiry method of teaching and Lecture method of teaching on students’ achievement in physics. H02: There is no significant difference of guided scientific inquiry method of teaching and Lecture method of teaching on students’ achievement in physics. H03: There is no significant difference of unguided scientific inquiry method of teaching and Lecture method of teaching on students’ achievement in physics. H04: There is no significant difference of combine scientific inquiry method of teaching and Lecture method of teaching on students’ achievement in physics. H05: There is no significant difference of guided scientific inquiry method of teaching and Lecture method of teaching on students’ ability to apply knowledge of physics concepts in real life. H06: There is no significant difference of unguided scientific inquiry method of teaching and Lecture method of teaching on students’ ability to apply knowledge of physics concepts in real life. H07: There is no significant difference of combined scientific inquiry method of teaching and Lecture method of teaching on students’ ability to apply knowledge of physics concepts in real life. H08: There is no significant difference of combined scientific inquiry method of teaching and guided scientific inquiry method of teaching on students’ ability achievement in physics. H09: There is no significant difference of combined scientific inquiry method of teaching and unguided scientific inquiry method of teaching on students’ achievement in physics. H010: There is no significant difference of guided scientific inquiry method of teaching and unguided scientific inquiry method of teaching on students’ ability achievement in physics.