🔬 Science · Space Exploration
The Eight Planets
Name the eight planets in order from the Sun (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune), know that Pluto is a dwarf planet, and distinguish rocky inner planets from gas giant outer planets
Typical age: 7–9 years
“Can your child list all eight planets in order from the Sun — maybe using a memory trick like 'My Very Eager Mother Just Served Us Nachos'?”
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- The Vast Scale of Space
Knowing the planets provides concrete context for the solar system layer of the hierarchy
- Scale of the Solar SystemREQUIRED
Must know the planets before building scale models of the solar system
- Asteroids, Comets & Dwarf Planets
Knowing planet positions helps understand where asteroids and comets are found
- Planet FeaturesREQUIRED
Must know the planet names before learning features of each