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Knowledge and Skills Statement

Earth and space. The student knows there are recognizable objects and patterns in Earth's solar system.
Diagram of the solar system with the sun on the left. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune are labeled as planets. Ceres, Pluto, Haumea, Makemake, and Eris are labeled as Dwarf Planets.
Image Source: https://commons.wikimedia.org/wiki/File:Solar_System_size_to_scale.svg

Dwarf planets should not be taught at this grade level, but this can be used to explain why Pluto is no longer studied in the planet order. 

consists of the Sun and a collection of objects of varying sizes and conditions—including planets and their moons—that are held in orbit around the Sun by its gravitational pull on them

regular sequences that can be found throughout nature