They conduct an experiment to determine ways soil erosion can be prevented. Cooperative groups transform sand into soil and then illustrate how they did this. Students examine for decomposition the items they buried in Lesson 9. They analyze the packaging in their lunches and bring reduced-waste lunches to school or draw pictures of them. Students make posters about one soil conservation practice which they can implement in their everyday lives.
Students listen to descriptions of projects conducted by other classes.
They brainstorm a list of action projects concerning soil. Students select and implement a project on the school grounds or in the community. Evaluation Students evaluate their understandings and feelings about soil by completing oral, written, and pictorial assessment tasks. They share with the class what they consider to be the best thing about this unit.