Physical separation techniques in water purification: an inquiry-based laboratory learning experience

Physical separation techniques in water purification: an inquiry-based laboratory learning experience

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This article outlines a structured investigative activity for students in lower secondary school.It was developed for the Australian Mathematics and Science Partnership Programme, a whole wheat phyllo dough government initiative intended to promote the employment of more hands-on investigations in secondary science within Australian schools.The investigation focuses on water purification and is intended to develop conceptual knowledge of this topic and also high-level skills such as experimental design, particularly in relation to identifying and controlling variables.The investigation is outlined in detail and was trialed with practicing science teachers, school students and preservice secondary teachers.

All of these groups provided feedback in various forms that indicated the investigation was valuable, relevant, interesting and allowed students to here take some responsibility for their own inquiry learning.