This is the smallest planet in our solar system.
This is the coldest planet in our solar system.
This is the second planet from the Sun.

2) On which planet do we find belts and zones, like these?

planet Saturn
planet Uranus
planet Jupiter

3) Olympus Mons large volcanic mountain on ...

the planet Mercury
the planet Venus
the planet Mars

4) The moons of this planet are called Titania and Nereid. (This is a false color picture).

True
False

5) Some people do not even call this a planet, because it is so small.

This planet is called Pluto.
This planet is called Charon.
This planet is called Neptune.