The Teacher Guide is the driving and unifying component of this unit, Forces at a Distance. In this unit, students investigate the phenomenon of forces that act through a distance, especially in the case of magnetism. The subtitle of this unit is How can a magnet move another object without touching? This is a phenomenon that all students have some experience with. How can one thing cause movement in another thing that is not touching it at all? What exists between a magnet and an object that the magnet affects? What is a field? How can we observe the effects of a field? This unit allows students to observe the phenomenon of a force acting through a distance in detail and then spend time working with classmates to analyze the shared experience, formulate new questions, and developing new strategies for answering them.

CKSci Middle School is an enhanced republication of the OpenSciEd Middle School project–with a unique, integrated Core Knowledge science literacy component.

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