Ultimate Science Trivia for Kids (74 Questions)

Hey there, kids! Get ready to explore the amazing world of science with our fun and fascinating “Science Trivia for Kids” blog! From the tiniest particles to the vast universe, we’ll take you on a journey through some mind-blowing facts that are sure to pique your curiosity.

Whether you’re a budding young scientist or just looking to learn something new, this is the perfect place to satisfy your thirst for knowledge. So, join us, and let’s dive into the wonders of science together!

Science Trivia for Kids

1. Our solar system has how many planets?
   Answer: – Eight
2. What is the fastest-spinning planet in our solar system?
   Answer: – Jupiter
3. The strongest bone in the human body is the?
   Answer: – Femur (thigh bone)
4. What is the name of the nearest star on Earth?
   Answer: – Proxima Centauri
5. The largest ocean on earth is?
   Answer: – the Pacific
6. What is the third planet from the sun?
   Answer: – Earth
7. The path where planets revolve around the sun is known as?
   Answer: – Orbit
8. The hottest planet in our solar system is?
   Answer: – Venus
9. Which planet in our solar system has the most natural satellites?
   Answer: – Jupiter
10. How fast can a western honey bee fly?
    Answer: – 20 Mph
11. What is the hardest metal on earth?
    Answer: – Tungsten
12. The center of the atom is known as the?
    Answer: – Nucleus
13. Fingernails and hairs on your body are made with which materials?
    Answer: – Keratin
14. What is the smallest bone in the human body?
    Answer: – The stapes (Situated inside the Ear)
15. Who invented the Beaufort Scale?
    Answer: – Francis Beaufort
16. What is the scientific formula for water?
    Answer: – H₂O
17. Who is the first woman who has won the Nobel Prize in two different sciences?
    Answer: – Marie Curie
18. How much time does the earth take to rotate its axis once?
    Answer: – 23 hours, 56 minutes, and 4 seconds
19. What is the largest wild cat on earth?
    Answer: – Tiger
20. What is the first animal to orbit the Earth?
    Answer: – Laika

Read Also: 67 Challenging Basketball Trivia for Kids [NBA Trivia]

21. The most common type of star is called?
    Answer: – Red dwarf star
22. How many earths could fit inside the sun?
    Answer: – Over One Million
23. What is the nearest star system to our solar system?
    Answer: – Alpha Centauri
24. Which bird can run faster than the horse and can’t fly?
    Answer: – Ostriches
25. What is the closest planet situated to Earth?
    Answer: – Venus
26. Our solar system resides within which galaxy?
    Answer: – Milky Way
27. The human skull has how many different bones?
    Answer: – 29
28. The big part of the brain is called?
    Answer: – Cerebrum
29. The process by which plants make oxygen and energy using sunlight is known as?
    Answer: – Photosynthesis
30. A normal human foot consists of how many bones?
    Answer: – 26 Bones
31. What is the distance between the sun and Earth?
    Answer: – 150 million kilometers (93.67 million mi)
32. How many times does the adult human heartbeat in one single day?
    Answer: – 100,000 Times
33. An adult human skeleton is made up of how many bones?
    Answer: – 206
34. What is the oldest science of all?
    Answer: – Astronomy
35. What is the hardest natural substance on earth?
    Answer: – Diamond
36. 1 is the atomic number of which gas?
    Answer: – Hydrogen
37. Who coined the term “scientist”?
    Answer: – William Whewell
38. What is the oldest living tree species on earth?
    Answer: – Bristlecone pines
39. Our brain is consisting of how many nerve cells?
    Answer: – 86 billion
40. How many natural satellites does Saturn have?
    Answer: – 83

Read Also: 130 Disney Trivia Questions That Will Make Your Kids Smile

41. What is the weight of an adult brain?
    Answer: – 1400 Gram (3 Pounds)
42. The speed of the rain drops towards earth is?
    Answer: – 20 Mph
43. What is the biggest organ in the human body?
    Answer: – Skin
44. Who formed the Laws of Motion?
    Answer: – Isaac Newton
45. The study of life is known as what?
    Answer: – Biology
46. What is the only metal that is liquid at normal temperature?
    Answer: – Mercury
47. What is the fastest-growing part of the human body?
    Answer: – Bonemarrow
48. Male cows are called?
    Answer: – Bull
49. What is the coldest planet in our solar system?
    Answer: – Uranus
50. The space between human eyebrows is called?
    Answer: – Glabella
51. The force that attracts masses toward the center of the earth is known as?
    Answer: – Gravity
52. What is the diameter of the Sun?
    Answer: – 864,000 miles
53. How much time does our body take to completely digest food in our stomach?
    Answer: – 12hr
54. The SI unit of electric power is?
    Answer: – Watt (W)
55. What is the strongest muscle in the human body?
    Answer: – Masseter
56. The rarely-found rainbow at night is known as?
    Answer: – Moonbow
57. What is the heaviest body in our solar system?
    Answer: – The Sun
58. Name of the natural satellite of Earth is?
    Answer: – Moon
59. How much time do snowflakes take to fall from cloud to ground?
    Answer: – An Hour
60. What is the smallest planet in our solar system?
    Answer: – Mercury

Read Also: Useful Science Trivia Questions and Answers

61. What are the names of the natural satellites orbiting Mars?
    Answer: – Phobos and Deimos
62. K is the symbol of which element?
    Answer: – Potassium
63. What is the largest mountain on an asteroid?
    Answer: – Vesta
64. What is the lightest planet in our solar system?
    Answer: – Saturn
65. Birds from which family can recognize human faces?
    Answer: –  Corvid Family
66. What is the plate in our solar system spins backward?
    Answer: – Venus
67. What is the only bird that can fly in all directions?
    Answer: – Hummingbird
68. Which planet has the fastest planetary wind flow?
    Answer: – Neptune
69. A human mouth produces how much saliva in a day?
    Answer: – 0.5 to 1 liter
70. What is the highest scientific honor?
    Answer: – the National Medal of Science (NMS)
71. Which animals use Earth’s magnetic field for navigation?
    Answer: – Sea Turtles and Salmon
72. Which animals laugh when they are kicked?
    Answer: – Rat
73. The device that is used to measure the electric current is?
    Answer: – Ammeter
74. What are the three phages of water?
    Answer: – Liquid, Solid, and Vapour