10 Ways to Nail Your Next Classroom Presentation

Classroom presentations can require, well, a different skill set than what you normally use at your wastewater treatment job. How do you hold the attention of a room full of squirming elementary kids? How do you present age-appropriate materials? What do you do when 20 9-year-olds start asking questions and telling stories?And let’s not forget the potential for lots of potty humor. These are elementary students, after all.Since 1994, Jeff Kalmes, an experienced wastewater operator from Billerica, Massachusetts, has given hundreds of classroom presentations. Kalmes has been an operator for 29 years and has won the 2008 New England Water