Great for elementary and middle school as an intro to new material. When we think of breaking rock, typically the image that comes to mind is some huge force being applied to smash a rock into bits. In this article, students will read how that's definitely an accurate (and violent) example of mechanical weathering. In addition, salt and ice also sneak into cracks of rocks to exert massive amounts of force and break rocks apart.
Vocab words: mechanical weathering, force, ice wedging, salt wedging
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