CT.5.3. Earth in the Solar System: Most objects in the solar system are in a regular and predictable motion. a) The positions of the Earth and moon relative to the sun explain the cycles of day and night, and the monthly moon phases.
5.3.1. Explain the motion of the Earth relative to the sun that causes Earth to experience cycles of day and night.
5.3.2. Construct models demonstrating Earth's rotation on its axis, the moon's revolution around the Earth, and the Earth and moon revolving around the sun.