This study was confined to the Assessment of the Implementation of the Experimental methods in teaching Science. The researchers focused only with the experimental methods used by the teachers in Grade V section I at Mangaldan I Central Elementary School 2000-2001, except for the Grade I, II, III, IV and VI, because in Grade IV down to I, they only focused on Lecture demonstration and in Grade VI, they focused on different activities such as, field observation and film showing/viewing.