Space Quiz for Kids with Answers 2021

Space Quiz for Kids

You must know something or a lot about our planets, the solar system, space, and many more about the universe. And it is always interesting to check our knowledge, about how much we know. So, here you can find space quiz for kids, space quiz questions-answers for all age group, solar system quiz, and much more interesting information about astronomy. 

In these quiz questions by Planets Education, a kid can learn a lot about planet trivia and solar system trivia. Only a few kids are interested in astronomy, so if you are in their category, you can find some New and Latest Space Q2uiz in 2021.

Space Quiz for Kids


1. In the following list, what are the outer region of the solar system?
    A) Asteroid Belt
    B) Oort Cloud
    C) Kuiper Belt
    D) Scattered Disk

B) Oort Cloud
The Oort Cloud is the most outer region of our solar system.




2. If you travel with speed of light, how much approximate time you would take to cross our solar system?
    A) 6 months
    B) 1 year
    C) 2 years
    D) 3 years

D) 3 years
Oort could is the farthest region and even light can take more than three years to cross it.




3. Which one is the largest terrestrial planet of our solar system?
    A) Earth
    B) Mars
    C) Venus
    D) Jupiter

A) Earth
Earth is the largest terrestrial planet of our solar system, but Jupiter is the largest planet of our solar system.




4. Which one in the following is the closest dwarf planet to Earth?
    A) Haumea
    B) Pluto
    C) Ceres
    D) Makemake

C) Ceres
There are 5 dwarf planets in our solar system and Ceres is the nearest to earth.




5. What is the name of the largest known star in the universe?
    A) Our Sun
    B) UY Scuti
    C) Proxima Centauri
    D) Stephenson 2-18

D) Stephenson 2-18
Stephenson 2-18 is the largest known star in our universe. Check about it, here Stephenson 2-18 Star.




6. How many moons dwarf planet Pluto has?
    A) 0
    B) 3
    C) 4
    D) 5

D) 5
Dwarf Planet Pluto has five natural satellites/moons.




7. Which planet has most number of Moons/Natural-Satellites?
    A) Saturn
    B) Jupiter
    C) Uranus
    D) Mars

A) Saturn
Planet Saturn has most number of moons in our solar system and it has total number of 82 known moons.




8. What are the nearest planet to Sun?
    A) Mercury
    B) Venus
    C) Earth
    D) Mars

A) Mercury
Mercury is the nearest planet to the sun.




9. Between which of the following two planets, asteroid belt located?
    A) Mercury and Venus
    B) Earth and Mars
    C) Mars and Jupiter
    D) Uranus and Neptune

C) Mars and Jupiter
The asteroid belt contains millions of small asteroids and it exists in between Mars and Jupiter.




10. The approximate distance between sun and earth?
    A) 50 million km (31 million miles)
    B) 150 million km (93 million miles)
    C) 250 million km (150 million miles)
    D) 100 million km (62 million miles)

B) 150 million km (93 million miles)
The distance between the earth and the sun is approximately 150 million km, which is around 1 AU (astronomical unit).



11. In which year NASA was established?
    A) 15 August 1950
    B) 28 September 1955
    C) 29 July 1958
    D) 10 January 1960

C) 29 July 1958
NASA (National Aeronautics and Space Administration) was established in 29 July 1958.




12. Which planet is known as Morning Star?
    A) Mercury
    B) Venus
    C) Mars
    D) Saturn

B) Venus
Venus is known as Morning Star.




13. Which planet is known as Evening Star?
    A) Neptune
    B) Mars
    C) Jupiter
    D) Venus

D) Venus
Venus is also known as Evening Star. Read Here… Facts about Planet Venus.




14. Which in the following are the densest planet of our solar system?
    A) Neptune
    B) Venus
    C) Earth
    D) Jupiter

C) Earth
Our earth is the densest planet in our solar system. The average density of the earth is around 5.514 gm/cm3.




15. What is the reason for the Existence of Mass in a particle/object?
    A) God Particle
    B) Fermions
    C) Higgs Field
    D) None of the above

C) Higgs Field
Higgs field is responsible for mass in every object and matter. Must read about… God particle and Higgs field.




16. Which planet has the lowest recorded temperature?
    A) Saturn
    B) Uranus
    C) Mars
    D) Neptune

B) Uranus
Uranus has the lowest recorded temperature of 47 K. While Neptune is the farthest but its lowest recorded temperature is 55 K.




17. Which in the following is an ice giant planet?
    A) Neptune
    B) Saturn
    C) Mars
    D) Venus

A) Neptune
Uranus and Neptune is an ice planet.




18. What is the reason for expansion of universe?
    A) Gravity
    B) God particle
    C) Higgs Field
    D) Dark matter and dark energy

D) Dark matter and dark energy
Scientists believe Dark Matter and Dark Energy is the reason for the accelerating expansion of the universe.




19. Which one is the largest known galaxy in the universe?
    A) Milky Way
    B) Andromeda
    C) IC 1101
    D) Large Magellanic Cloud

C) IC 1101
IC 1101 is the largest known galaxy of our universe. Must read about it… Facts about largest known galaxy IC 1101.




20. Why does Seasons change on earth?
    A) Earth’s distance from the Moon
    B) Earth’s distance from the Sun
    C) Earth’s Orbital Period
    D) Earth’s Axial Tilt

D) Earth’s Axial Tilt
The reason for the seasonal changes on earth is the earth’s axial tilt of 23.5°.


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