NCES.6.E.1 - Understand the earth/moon/sun system, and the properties, structures and predictable motions of celestial bodies in the Universe.
- NCES.6.E.1.1 - Explain how the relative motion and relative position of the sun, Earth and moon affect the seasons, tides, phases of the moon, and eclipses.
- NCES.6.E.1.2 - Explain why Earth sustains life while other planets do not based on their properties (including types of surface, atmosphere and gravitational force) and location to the Sun.
- NCES.6.E.1.3 - Summarize space exploration and the understandings gained from them.