![Erosion in Different Soils [Erosion Races] Lesson Plan](http://content.lessonplanet.com/resources/thumbnails/140405/large/cgrmlwnvbnzlcnqymdezmdmyos01nde3lxfmmzy0dc5qcgc.jpg?1414240121 "Erosion in Different Soils [Erosion Races] Lesson Plan")
Curated OER
Erosion in Different Soils [Erosion Races]
Fourth graders review how erosion can happen by wind, water, and gravity which they studied in previous lesson. They attempt to discover if all soils erode at the same rate. In small groups, 4th graders experiment with three different...