Mr. Cowell

.@GretaThunberg is TIME's 2019 Person of the Year #TIMEPOY ti.me/2sZRidd

I have a mental block that prevents me from spelling the word “inaccurate” correctly. This is ironic and embarrassing when critiquing my students’ spelling errors on labs. Thank science for spellcheck.

Sophomore Physics Students competing to design the best airbag for their Collision Lab! Talk about a “crash course” in engineering! #medfieldps

Photos from our tour of MIT's Plasma Science & Fusion Center @MIT_Fusion We saw prototype fusion reactors, and heard from the scientists and engineers who hope to someday produce clean fusion energy for the USA! Jaw-dropping marvels of human ingenuity! #PSFC #medfieldps #Physics

Physics Lesson - Filling in the Gaps with Ohm's Law: youtu.be/xR90P8Z7QxQ?a via @YouTube

Physics Video Lesson - (Q=It) Charge and Current: youtu.be/NT0y0C6Cw6c?a via @YouTube

Congratulations to the Class of 2018! Being your class advisor for 4 years has taught me many important lessons. Special mention to my tireless StuGov officers: thank you for your efforts, your service, and most of all for your kindness. Good luck out there! #Classof2018

The honor has been mine. Well played “Cool Guy”. twitter.com/retweetcowell/…

Senior Walk through the district! What an honor to lead this caravan today, and to also inadvertently take terrifying panoramic photos of John Kohler and Kate Travis. #Classof2018

Asked my girlfriend to Prom... so relieved she said yes! Looking forward to a fun Friday night with our amazing MHS Juniors and Seniors! #prom2018 #promposal

17 Acts of Kindness from the Cowell/Mandosa Advisory! #medfieldps #whatsyour17

Physics Lesson - Refraction: youtu.be/0tD38Hdk7tw?a via @YouTube

Sign up for 100% #wind & #solar @cleanchoice & get a free WakaWaka Power+ Solar Charger when you enroll in September cleanchoiceenergy.com/referral/by/MC…

The SEN18RS of @Medfield2018 had a fun and beautiful evening on Boston harbor tonight. Thanks to all who made it possible! #medfieldps #fun

It's official, we're SEN18RS!! 🎓 Senior Cruise tomorrow 8/31 - Be at school by 4:45 PM - Depart by 5:00 PM - Cruise will end at 10 PM

Using @Flipgrid for the #medfieldps new teacher orientation "what's great about teaching in Medfield?" #batman @MrCowellScience

#EnviStudies #agriculture #intercropping

@MedfieldWell TO SPAAAAAACE!

@coachmace @kcowell7 @massteacher @MedfieldPatch