An awesome treat for the end of STEM surgical techniques camp.

Simulated biopsy cubes ready for future surgeons at the Portland/South Portland STEM Academy.

Another advantage to a good protocol--helps sleepy teenagers have a good discussion at 7:30 am. #PBL

Graduate students in my Inquiry Based Teaching class being urban planners on a beautiful day.

CSI for breakfast. Donuts in blood type A, B, AB, and O.

So proud of my forensic high school students; great reflection today on their growing critical thinking skills! #pbl

Not a bad initial need to know list for a group of high school students who've never done this before!

Great PBL exhibition at one of my elementary schools!

Fun with some middle school math teachers--math practices brackets.

Gallery walk for drafts of our "perfect crimes" in my forensic science class.

Blood spatter experiments in Forensic Science!

Jack the Ripper suspect brackets from my forensic science class. Joseph Barnett won.

Critical for a Maine winter--adding marshmallows to your hot chocolate!

First time I've seen a Rube Goldberg machine that brushes a doll's hair!

Working with teachers always cheers me up!

“@andrewtwallace: MT @bpsedtech @MahoneyMiddle MSMS students test iPad styluses created by students from Maine #STEM http://t.co/vKfCVecq5y”

Love my daily email from the Southworth Planetarium! Fascinating-the sun's matter is 99.86% of the all solar system's mass!

Looking forward to presenting fifth grade engineering fishing net design project next Thursday! #nsta13