GK Quiz On Planets And Their Moons – Explore Your Solar System Knowledge!

Last Updated on November 17, 2025

Our solar system is a place which consists of the Sun and the rest of the planets, dwarf planets, asteroids and comets that make up our stellar family. It is essential to understand this system and how it functions to learn about the origins of life and make predictions about what lies beyond. Basic solar system questions that discuss the names and properties of planets are a good starting point for children to learn about the solar system.  

Thank you for reading this post, don't forget to subscribe!

Information about the solar system and its planets for kids can start from the basic moon questions, such as its names, sizes, distances, and a comparison of its physical attributes with those of each planet.  

In this article, we have included numerous planet GK questions that will help build knowledge about the solar system and our neighbouring worlds. These GK questions for classes 1, 2 and 3 will also be helpful when answering questions in tests and quizzes at school and competitions. 

Solar System Quiz – Planets And Their Moons

Children are naturally curious and usually have many questions about planets. In this list, we have put together the most frequently asked GK questions on the solar system in tests and quizzes. 

Questions

Answer the following questions about the solar system: 

Q1. Which is the planet nearest to the Sun? 

a) Earth
b) Mars
c) Mercury
d) Saturn

Q2. Which is the planet farthest from the Sun? 

a) Jupiter
b) Mercury
c) Neptune
d) Uranus

Q3. Name the hottest planet in our solar system.

a) Earth
b) Jupiter
c) Mercury
d) Venus

Q4. Can you name the largest planet in our solar system?

a) Jupiter
b) Mars
c) Saturn
d) Uranus

Q5. Can you name the smallest planet in our solar system? 

a) Mercury
b) Mars
c) Saturn
d) Uranus

Q6. Which is the coldest planet in our solar system? 

a) Jupiter
b) Neptune
c) Saturn
d) Uranus

Q7. Which one of these planets has a ring around it? 

a) Jupiter
b) Saturn
c) Uranus
d) All of the above

Q8. Which planet is also called the Red Planet? 

a) Jupiter
b) Mercury
c) Mars
d) Venus

Q9. Arrange the following planets in ascending order of their distance from the Sun. 

1. I. Jupiter II. Venus III. Mercury IV. Mars V. Earth

a) I, V, IV, II, III
b) III, II, V, IV, I
c) III, II, IV, V, I
d) I, IV, V, II, III

Q10. A celestial body in space that orbits around a larger body is called a: 

a) Asteroid
b) Constellation
c) Natural Satellite
d) Star

Q11. Why does the Sun attract everything in the solar system?

a) Magnetic pull
b) It is at the centre of the solar system
c) The magnetic pull of other objects
d) Sun’s gravity is huge because of its mass

Q12. Which part of the Sun is visible during a total solar eclipse? 

a) Core
b) Corona
c) Chromosphere
d) Photosphere

Q13. In how many minutes does light take to reach Earth from the Sun? 

a) 10 minutes
b) 8 minutes 20 seconds
c) 7 minutes 58 seconds
d) 9 minutes

Q14. The moon’s changing shapes are called? 

a) Orbit
b) Phases
c) Spin
d) Tides

Q15. When is the moon not visible in the sky? 

a) First Quarter moon
b) Full moon
c) New Moon
d) Second-quarter moon

Q16. Which of these planets has the shortest revolution period? 

a) Earth
b) Mercury
c) Mars
d) Neptune

Q17. Which planet among these has the highest density?

a) Earth
b) Jupiter
c) Neptune
d) Saturn

Q18. What does the Sun give us? 

a) Heat and Light
b) Light and darkness
c) Light and shade
d) Light and cold

Q19. How many Venus moons are there around the second plant? 

a) 0
b) 1
c) 2
d) 3

Q20. Which is the brightest star in the night sky?

a) Capella
b) Sun
c) Sirius
d) Vega

Q21. Which is not a moon of Jupiter? 

a) Callisto
b) Europa
c) Io
d) Titan

Q22. Name the imaginary line around which the Earth spins.

a) Axis
b) Latitude
c) Orbit
d) Rotation

Q23. Which planet is called the morning/evening star? 

a) Jupiter
b) Mercury
c) Saturn
d) Venus

Q24. Which planet’s natural satellites are Phobos and Deimos?

a) Jupiter
b) Mercury
c) Mars
d) Saturn

Q25. Which is the smallest moon in the solar system? 

a) Deimos
b) Europa
c) Io
d) Ganymede

Q26. Which planet is known for its prominent blue colour due to methane in its atmosphere?

a) Neptune
b) Saturn
c) Uranus
d) Jupiter

Q27. What is the name of the region between Mars and Jupiter that contains numerous small rocky bodies?

a) Kulper Belt
b) Oort Cloud
c) Asteroid Belt
d) Vega Cluster

Q28. Which planet has the longest day, one longer than its year?

a) Mercury
b) Venus
c) Earth
d) Mars

Q29. What is the main gas found in the atmosphere of Jupiter?

a) Nitrogen
b) Carbon Dioxide
c) Hydrogen
d) Oxygen

Q30. Which dwarf planet is located in the Kuiper Belt beyond Neptune?

a) Eris
b) akemake
c) Ceres
d) Pluto

Answers

Here is a table for all the answers to the above questions.

Some Fun & Interesting Facts About Planets for Kids

Here are some fun solar system facts for kids: 

• The solar system was formed 4.6 billion years ago. 
• The Sun is 150.6 million km from Earth! 
• Uranus is the furthest planet you can see with your naked eye. 
• 99.8% of the solar system’s mass is contained in the Sun. 
• There are 181 moons in the solar system. 
• One of the most astonishing facts about Jupiter for kids is that the gas giant is primarily composed of Hydrogen and Helium. 

FAQs

1. Why Does Earth Have Only One Moon?

Earth has just one moon because of how it formed long ago, but it is special because it helps control tides and provides us with nighttime light. 

2. How Can Kids Remember The Order Of The Planets? 

Kids can use a sentence like “My Very Educated Mother Just Served Us Noodles” where the first letter of each word is the first letter of a planet, from Mercury to Neptune. 

3. Why Is Learning About Planets And Moons Important For GK? 

Knowing about planets and moons helps kids understand space, science, and how our Earth fits into the bigger universe. 

4. How Can I Practice GK Questions On Planets For School? 

Try quizzes, flashcards, or games about planets and moons. Repeating facts and using fun memory tricks helps improve your knowledge. 

The solar system is full of interesting and wonderful things. Short GK facts given in this article that also contain a moon phase quiz are a good place to start learning about the solar system. These facts are useful for quizzes and tests.

Also Read:

Gk Questions On Largest In The World for Kids
General Knowledge Quiz About ‘Myself’ with Answers for Children
GK Questions and Answers On Fairy Tale Characters Names for Kids