SCOTT RYAN has been teaching Earth Science at Ardsley Middle School in Ardsley, New York, for almost 20 years. His teaching career spans almost 30 years and includes teaching Earth Science, Science...visualizza altroSCOTT RYAN has been teaching Earth Science at Ardsley Middle School in Ardsley, New York, for almost 20 years. His teaching career spans almost 30 years and includes teaching Earth Science, Science 8, Biology, and Physics. He resides in Ossining, New York.visualizza meno