Pennsylvania Core and Academic Standards
PA.3.2. Physical Sciences: Chemistry and Physics
Properties of Matter
3.2.K.A1b. Compare different kinds of materials and discuss their uses.
PA.3.3. Earth and Space Sciences
3.3.A. Earth Structure, Processes and Cycles
Earth Features and the Processes that Change It
3.3.K.A1. Distinguish between three types of earth materials – rock, soil, and sand.