Planets
Dwarf Planets
Space Math
Fun Facts
100
Which planet is closest to the Sun?

Mercury

100

How many dwarf planets are in our Solar System?

100

How many planets are in our solar system?

8

100

What is the coldest planet in our Solar System?

Neptune

200

Which planet is the biggest in our solar system?

Jupiter

200

Which dwarf planet is the smallest?

Ceres

200

How many moons does Haumea have?

2

200

True or False: Pluto was once the 9th planet in our Solar System?

True

300

Which planet is made of water and rock?

Earth 

300

How many moons does Pluto have?

5

300

If a spaceship flies past 5 planets and then 2 more, how many did it see?

7

300

What is the name of the astroid belt?

Kuiper Belt

400

What is the nickname for Mars?

The Red Planet

400

Which dwarf planet is NOT a sphere?

Haumea

400

If Pluto had 10 space rocks and lost 4, how many are left?

6

400

How long is a day on Haumea?

4 hours

500

Name the two Ice Giant planets

Uranus and Neptune

500

What dwarf planet is the farthest from the Sun?

Eris

500

Pluto takes 248 years to orbit the Sun. Haumea takes 285 years to orbit the Sun. Which one takes the longest?

Haumea

500

What is a flying rock in space called?

Astroid

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