Differentiation and a speculative learning progression for science teachers. 

Novices get better when we support them with good feedback.

An earlier version of this essay appeared as "10 Things to Know About Mentoring Student Teachers" in the April 2013 edition of  Phi Delta Kappan magazine

Learning from other teachers by withholding judgment

Rethinking nature deficit disorder in diverse classrooms. An earlier version of this essay appeared in Fall 2011 issue of the magazine Rethinking Schools.

Bringing the inside-out and the outside-in for science learning

Framing safety as part of scientific practice for students.  

On the Use of Models and Simulations as Tools for Thinking

Don't throw away those owl pellets just yet.

Because science class should not be a trivia game.

This episode explores what it means to use an essential question in teaching science, and how this can connect to teaching science for social justice.

"Maybe it will just have to remain a mystery forever."

This episode tells the story of Mr. Teague, and how he doesn't answer questions in his physics classroom.