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
3.3.5.A4. Explain the basic components of the water cycle.
3.3.5.A5b. Explain how the cycling of water, both in and out of the atmosphere, has an effect on climate.
3.3.B. Origin and Evolution of the Universe
3.3.5.B1. Provide evidence that the earth revolves around (orbits) the sun in a year's time and that the earth rotates on its axis once approximately every 24 hours.
PA.4. Environment and Ecology
4.2. Watersheds and Wetlands
4.2.5.A. Explain the water cycle.
4.2.5.C. Identify physical, chemical, and biological factors that affect water quality.
4.5. Humans and the Environment
4.5.5.C. Explain the difference between point and non-point source pollution.