Solar System
Planet Movement
Inner Planets
Outer Planets
Interesting Facts
100

Geocentric

What is Earth-Centered System?

100

Rotation

What is the spinning of a planet on an axis?

100

Third Rocky Planet

What is Earth?

100

Thickest Atmospheres

What are the Gas Giants?

100

Pluto

What is now considered to be a dwarf planet? 

200

Terrestrial

What are the inner rocky planets?

200

Revolution

What is a full orbit of a planet around the sun?

200

Iron Oxide

What is the reason Mars is red?  

200

Longest Year

What is Neptune?  

200

Explored by Rover

What is Mars?

300
Planet
What is orbits a star (sun)?
300

Planet Day

What is the time it takes a planet to make a complete rotation?
300

Shortest Day

What is Mercury?

300

Most Mass

What is Jupiter?  
300

Hottest Planet

What is Venus?

400

Gas Giants

What are the four outer planets of the solar system?  

400

Planet Year

What is the time it takes for a planet to make a complete revolution?

400

365 Day Year

What is Earth?

400

Order from Sun

What is Jupiter, Saturn, Uranus, Neptune?

400

1 Astronomic Unit

What is the distance of Earth from the Sun?

500

System Formation

What is gravitational force of the Sun?

500

Moon 

What is a natural satellite that orbits a planet?

500

No Atmosphere

What is Mercury?  

500

Coldest Planet

What is Uranus? 

500

Light Year 

What is the unit of time used to measure objects outside of our solar system?