WHAT IS ACCRETION AND WHY AM I RUNNING?

Shawn Bean, BHP Teacher Illinois, USA Without hesitation, I’d say that one of the most effective Big History activities is Active Accretion (from Lesson 4.0). Students get a chance to go outside (so, choose the day wisely) and run in circles to demonstrate the process of planet formation; they start as a spread-out group of … Continue reading WHAT IS ACCRETION AND WHY AM I RUNNING?

GETTING TO KNOW THE BHP SCORE EVALUATORS

A. Ferguson, BHP Score Team Arizona State University, USA Earlier this year, BHP announced a new formative assessment service called BHP Score. The service allows teachers who have incorporated Big History into their classrooms to submit students’ essays for Units 2, 6, and 9. The essays are sent to a team of trained scorers at … Continue reading GETTING TO KNOW THE BHP SCORE EVALUATORS

WHY IS ONE STAR HOT, ANOTHER NOT-SO-MUCH?

David Burzillo, BHP Teacher Massachusetts, USA The Star Class activity in Lesson 3.3 is a must-do activity that introduces students to the key characteristics of stars and how they interact. The relationship of a star’s size, temperature, and luminosity is nicely captured in the Hertzsprung-Russell diagram, a visual that I tell my students is the … Continue reading WHY IS ONE STAR HOT, ANOTHER NOT-SO-MUCH?