NGSS · Earth & Space Science · Grades 6–8 (Middle School)

MS-ESS1-2 Gravity in the Solar System & Galaxies

Develop and use a model to describe the role of gravity in the motions within galaxies and the solar system.
Kentucky 6-ESS1-2 uses the same wording.

Teach MS-ESS1-2 with a mystery

The Planet Found With Math cover

Science Unlocked lesson set The Planet Found With Math In 1846, an astronomer aimed his telescope where a mathematician told him to look — and found Neptune that same night. Nobody had ever seen it before. How could math point to a planet no one had seen? 1 week · $3.00 · Grades 6–8 See what’s inside

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More Earth & Space Science standards

MS-ESS1-1Moon Phases, Eclipses & SeasonsPhenomenon: Dark at Noon

MS-ESS1-3Solar System ScalePhenomenon: The Seven-Planet Squeeze

MS-ESS1-4Geologic Time Scale & Rock StrataPhenomenon: The Missing Billion Years

MS-ESS2-1Rock Cycle: Earth's Materials & EnergyPhenomenon: The Seafloor Summit

MS-ESS2-2Geoscience Processes Shape Earth's SurfacePhenomenon: Slow, Then Sudden

MS-ESS2-3Plate Tectonics: Fossils & ContinentsPhenomenon: Fossils on the Ice