SilvesterHelen SilvesterHelen Silvester has been an educator for over 20 years and has held Head of Science positions in a number of schools. She was shortlisted for the 2014 and 2017 Prime Minister’s Secondary Science Prize for Excellence in Science Teachingin Secondary Schools and was Victoria's representative for the BHP Billiton Science Teachers Awards. Helen has a wealth of experience writing and reviewing and has been an active participant in the Australian Science Teachers Association (ASTA), Australian School Science Information Support for Teachers and Technicians (ASSIST) and Science Teachers Association Victoria (STAV). Helen has also worked as a researcher at Walter and Eliza Hall Institute and the Royal Children’s Hospital. Currently Helen is Director at the STEAM-focused Casey Tech School.Siew Yap Siew is Head of Science at Kingsway Christian College and has a PhD in Science Education. Her main research interest is the area of bioethics and values in science education. Read More Read Less