Curated OER
Rockin? Chalk (Integrating science - make own chalk)
Students use plaster of Paris, talc, and cornstarch to create their own chalk. They hypothesize what mixture of ingredients produce the "best" chalk. Students discuss what they think are the characteristics of the "best" chalk.
Curated OER
Rock Art
Fourth graders examine and interpret rock art to illustrate its importance in the cultural heritage of a people and as a tool for learning about the past. They create their own rock art that is a symbol of their culture.