AK.D1. Concepts of Earth Science (SD1, SD2, SD3, SD4)
 SD4.2. The student demonstrates an understanding of the theories regarding the origin and evolution of the universe by recognizing that the Earth is in regular and predictable motion and this motion explains the length of a day and year.
AK.SD. Concepts of Earth Science: A student should understand and be able to apply the concepts, processes, theories, models, evidence, and systems of earth and space sciences. A student who meets the content standard should:
SD1. Develop an understanding of Earth's geochemical cycles.
SD3. Develop an understanding of the cyclical changes controlled by energy from the sun and by Earth's position and motion in our solar system.