New Zealander of the Year Finalist 2012: Peter Stewart

By Catherine Masters

Peter Stewart, the head chemistry teacher at Papatoetoe High School, obliges the photographer with a multi-hued, photogenic fireball. Photo / Sarah Ivey
Peter Stewart, the head chemistry teacher at Papatoetoe High School, obliges the photographer with a multi-hued, photogenic fireball. Photo / Sarah Ivey

"Can you make a small explosion?," the photographer asked.

"I can do a fireball," the teacher replied, a gleam in his eye.

Perfect. Science teacher Peter Stewart hurried off to find the appropriate ingredients, returning to set a bunsen burner alight with a big orange flame which he changed to green and pink and back again by spraying copper and lithium in ethanol from little plastic bottles.

Science is fun. Mr Stewart is head of chemistry at Papatoetoe High School and clearly loves his job.

He took a break from marking hundreds of NCEA papers to come to school for the photo, even though school is out for the summer.

Mr Stewart was recently awarded the 2012 Prime Minister's science teacher prize. Reasons included hiking chemistry class numbers at the school by 44 per cent at NCEA level two and more than 100 per cent at level three, from 30 students to more than 70.

He came to teaching via an unusual pathway, working as a stockbroker in London, training as a chiropractor and a few other jobs along the way.

The youthful 48-year-old liked science at school but had no burning desire to teach.

That changed when he had his own children, now aged 8 and 9.

Having children changes how you look at teaching, he says. "You care more about things."

The changing colours of the flame have a purpose beyond fun, he says, helping children to understand the different properties in chemistry.

Teaching is never a grind and sometimes the rewards are great, such as when former students get in touch years later, like one now studying for a PhD in organic chemistry at Yale University in America.

"You remember [them] saying 'I think I'm going to struggle in that subject'."

- NZ Herald

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