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School is back in session, and for many students, that means a major shift from an unstructured schedule to a more regimented school day. It may still be challenging to keep students’ attention on ...

It’s hard to collaborate and get perspective on science lessons when you are the only teacher in your subject on campus. But a new project is working to use classroom videos to develop more in-depth ...

Students begin Lesson 5 by observing shadows changing length over time, leading them to wonder about the relationship between the appearance of shadows and the position of a light source. Students ...