Washington DC Standards
DC.5.3. Earth Science: Broad Concept: The solar system consists of planets and other bodies that orbit the sun in predictable paths. As a basis for understanding this concept, students:
5.3.1. Describe the Earth as part of a system called the solar system that includes the sun (a star), planets, comets, asteroids, and many moons.
5.3.3. Demonstrate how the Earth orbits the sun in a year's time, and Earth rotates on its axis about once every 24 hours.