Best Practice

Extended science practical investigations

Extended practical investigations take time and planning to get right, but the results in terms of staff and student motivation can make this worthwhile. They can also inspire students to continue with their STEM studies into higher education. Head of chemistry Lisa Niven explains

I grew up in the American education system, attending a small high school in rural Minnesota. My timetable was very different than what I have experienced as a teacher in England. I had science every morning for an hour – roughly 700 hours across my high school experience.

From all that time, the most prevalent memory I have is of our week-long investigation attempting to find the percentage of copper in a penny. I recall getting a result of 120 per cent copper content and having to reflect on why (turns out I didn’t let it dry properly before measuring its mass, a rookie error). Nearly 25 years later I believe that that practical experience heavily influenced my decision to study chemistry after high school.

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