But when they examined the data, they found the culprit was a ninth - grade biology class that required students to do more writing about biology than they were ready for. (gse.harvard.edu)
It all started with a 10th grade biology project about leaves. (edweek.org)
To start the year, Rhonda Hahn (@mrshahn) asked her ninth grade biology students, «What are you curious about? (edutopia.org)