Pennsylvania Core and Academic Standards
PA.3. Science and Technology and Engineering Education
3.3. Earth and Space Sciences
3.3.A. Earth Structure, Processes and Cycles
3.3.4.A1b. Identify the layers of the earth.
3.3.4.A1c. Recognize that the surface of the earth changes due to slow processes and rapid processes.
3.3.4.A2. Identify basic properties and uses of Earth's materials including rocks, soils, water, and gases of the atmosphere.
3.3.4.A6b. (CONSTANCY/CHANGE) Identify simple changes in the earth system as air, water, soil and rock interact.