"Science objectives: [1] Recognizes rocks and sorts them into groups based on physical properties; [2] Understands that the surface of the Earth is composed of different types of solid materials of different sizes and shapes, from boulders to sand."
This is a placeholder reference for a Topic entity, related to a WorldCat Entity. Over time, these references will be replaced with persistent URIs to VIAF, FAST, WorldCat, and other Linked Data resources.