Order of the planets
Inner Planets
Outer Planets
100

What planet is the closest to the sun? 

Mercury 

100

What is the only planet with life on it? 

Earth

100

What is the biggest planet? 

Jupiter

200

What planet is the farthest from the sun? 

Neptune

200

What planet has the potential for life? Signs of water have been found here. 

Mars

200

This planet is known for its beautiful rings

Saturn

300

Which 4 planets are inner planets, which 4 are outer planets? 

Inner: Mercury, Venus, Earth, Mars

Outer: Jupiter, Saturn, Uranus, Neptune. 

300

What planet is most similar to Earth? Also known as Earths twin 

Venus

300
Which planet is known for being the windiest? 

Neptune

400

What two planets is the asteroid belt in between? 

Mars and Jupiter

400

What is the smallest planet? 

Mercury

400

This planet spins on its side

Uranus

500

What is the order of all 8 planets? 

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

500

What are the inner planets made of? 

Rock; sulfur, silicon, metals

500

What are the outer planets mostly made of? 

Gases; hydrogen, helium, ice