Curated OER
Wappo Tools
Third graders explore the materials used by the Wappo tribe used to make tools. They compare and contrast the different types of arrowheads and their uses. With adult supervision, they make arrowheads from obsidian.
Curated OER
Eternal Egypt: Mortar and Pestle
A kitchen utensil used to grind or mash hard food, such as pepper or chickpeas, and other types of foodstuff. It consists of two separate parts; the mortar, a cup-shaped receptacle and the pestle, a club-like instrument for pounding the...