Ultimate List Of Science Trivia Questions For Kids By Key Stage
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Get ready to tackle some science trivia questions to learn more about the mysteries of the universe and of your world. This quiz is not just a random assortment of facts.
It's a tool designed to ignite curiosity, inspire learning, and make knowledge acquisition an enjoyable process, especially for kids. The trivia includes questions and answers covering all major fields of science.
From simple questions about animals and plants to more challenging questions about physics and chemistry, this trivia has questions on all school subjects. Apart from being used as a fun way to learn outside of school, these quizzes can also supplement classroom learning.
This trivia is not just about getting the right answers to every question, but it can also develop an interest in science and further learning.
Best Science Trivia Questions And Answers
From cosmic wonders to atomic mysteries and incredible phenomena that occur on Earth, this first quiz is a mixed bag of questions and answers on different areas of science. Let's see how many answers you've already got up your sleeves!
1. Question: What is the measure of how hot or cold something is?
Answer: Temperature.
2. Question: What is the name of the largest volcano in the Solar System?
Answer: Olympus Mons.
3. Question: What three things do most plants need to grow?
Answer: Sunlight, water, and nutrients.
4. Question: Name the four seasons.
Answer: Spring, summer, autumn, and winter.
5. Question: What is the term for the study of heredity and the variation of inherited characteristics in living organisms?
Answer: Genetics.
6. Question: What is the solid version of water called?
Answer: Ice.
7. Question: Name the hottest planet in the Solar System.
Answer: Venus.
8. Question: Name the only two planets in the Solar System that do not have natural moons.
Answer: Mercury and Venus.
9. Question: What is the source of the Sun's light?
Answer: Nuclear fusion.
10. Question: What lies in the center of an atom?
Answer: Nucleus.
11. Question: What is the fundamental unit of life?
Answer: Cell.
12. Question: What is the name of the brightest star in the night sky on Earth?
Answer: Sirius.
13. Question: What is the smallest planet in the Solar System?
Answer: Mercury.
14. Question: What is the densest planet in the Solar System?
Answer: Earth.
15. Question: What is the largest existing continent on Earth?
Answer: Asia.
16. Question: Name the highest mountain peak on Earth starting from the mean sea level.
Answer: Mount Everest.
17. Question: Name the largest known land animal among living animals.
Answer: African elephant.
18. Question: How long does it take for light from the Sun to reach Earth?
Answer: Approximately eight minutes and 20 seconds.
19. Question: At what temperature is Fahrenheit equal to Celsius?
Answer: -40 degrees.
20. Question: What type of chemical bond involves the sharing of electrons?
Answer: Covalent bond.
21. Question: What is the process by which an unstable atomic nucleus splits into two or more smaller nuclei called?
Answer: Nuclear fission.
Fun Science Trivia Quiz
Get ready for a whirlwind adventure through mind-boggling facts and brain-teasing challenges. We've got a mix of easy-peasy questions that'll make you exclaim, "Oh, I knew that!" and some brain-benders that might leave even the sharpest minds scratching their heads.
22. Question: What are the three basic states of matter?
Answer: Solid, liquid, and gas.
23. Question: What do you do to test a scientific theory?
Answer: Conduct an experiment.
24. Question: How many planets are there in the Solar System?
Answer: Eight.
25. Question: What term is used to describe a substance made entirely from the same material?
Answer: Homogeneous.
26. Question: What do you call something that is a poor conductor?
Answer: Insulator.
27. Question: What are the people who travel into space called?
Answer: Astronauts.
28. Question: Name the four primary metals considered precious by humans.
Answer: Gold, platinum, palladium, and silver.
29. Question: What is the unit of measurement for force?
Answer: Newton (N).
30. Question: How much of the Earth's surface do the world's oceans cover?
Answer: About 71%.
31. Question: Which jungle animal is the largest living primate on Earth?
Answer: Gorilla.
32. Question: Due to what phenomenon does light change direction when it passes through mediums of different densities?
Answer: Refraction.
33. Question: What is the process by which plants release water vapor into the atmosphere called?
Answer: Transpiration.
34. Question: When the Moon appears as a half-circle in the sky, what is it called?
Answer: A half moon.
35. Question: What is the unit of measurement for electric resistance?
Answer: Ohm (Ω).
36. Question: What is the process of converting a solid directly into a gas called, without going through the liquid phase?
Answer: Sublimation.
37. Question: How long does it take the Earth to fully orbit the sun?
Answer: One year.
38. Question: What branch of science deals with the study of matter and energy?
Answer: Physical science.
39. Question: What is the hardest natural substance on Earth?
Answer: Diamond.
40. Question: What type of energy is stored in food?
Answer: Chemical energy.
41. Question: What is the force of attraction between objects of mass and energy, that prevents them from freely floating around in outer space?
Answer: Gravity.
42. Question: Name the gas which makes up the majority of the atmosphere on Earth.
Answer: Nitrogen.
43. Question: What is the process by which a single-parent organism produces offspring that are identical to itself?
Answer: Asexual reproduction.
44. Question: How many elements are on the periodic table?
Answer: 118.
45. Question: Name the three major types of rocks that make most of the Earth.
Answer: Sedimentary, metamorphic and igneous.
46. Question: What word describes a material that is see-through?
Answer: Transparent.
47. Question: What gas do trees produce?
Answer: Oxygen.
48. Question: The concept of gravity was discovered by which famous physicist?
Answer: Sir Isaac Newton.
49. Question: How many layers does the Earth's atmosphere have?
Answer: Five: troposphere, stratosphere, mesosphere, thermosphere, and exosphere.
50. Question: What is the theory that describes the motion of objects at speeds close to or the speed of light called?
Answer: Special relativity.
51. Question: Name the scientist who proposed the theory of general relativity.
Answer: Albert Einstein.
52. Question: What type of reaction releases energy?
Answer: Exothermic reaction.
53. Question: What is the branch of biology that deals with the study of viruses called?
Answer: Virology.
54. Question: What is the unit of measurement for the amount of electric charge?
Answer: Coulomb (C).
55. Question: What is the scientific word for the cells that are produced when a parent cell divides?
Answer: Daughter cells.
56. Question: What is the name of the tallest grass on Earth?
Answer: Bamboo.
57. Question: What is the unit of measurement for electric current?
Answer: Ampere (A).
58. Question: Name the deepest point on Earth in the ocean.
Answer: Mariana Trench.
59. Question: What is the process by which energy is released from the unstable nucleus of an atom, and the nucleus breaks down into subatomic particles or gives off electromagnetic radiation?
Answer: Radioactive decay.
Hard Science Trivia Questions
If you are up for a more challenging quiz, then this science trivia can surely get your gears turning. Bring in your friends and family to play this trivia and make it more fun as you tackle these questions with them. You might also have the opportunity to add some new facts to your treasure trove of science knowledge.
60. Question: What is the name of the process of a liquid becoming a gas?
Answer: Evaporation.
62. Question: What test is used to detect the presence of hydrogen gas?
Answer: Squeaky-pop test.
63. Question: Which is the most abundant element in the universe?
Answer: Hydrogen.
64. Question: What force stops a ball from rolling on the ground forever?
Answer: Friction.
65. Question: Which country was the first to launch a man-made satellite into orbit?
Answer: The Soviet Union.
66. Question: What is the temperature of outer space?
Answer: Approximately -459 F (-273 C).
67. Question: What is the process of a solid changing directly into a gas called?
Answer: Sublimation.
68. Question: What process do plants use to make their own food?
Answer: Photosynthesis.
69. Question: What is the name of the largest known moon in the Solar System?
Answer: Ganymede.
70. Question: Name the first man-made satellite launched into orbit.
Answer: Sputnik 1.
71. Question: What is the chemical symbol for gold?
Answer: Au.
72. Question: What does the atomic number of an element represent?
Answer: Number of protons in the nucleus.
73. Question: True or false: Stars emit cosmic radiation.
Answer: True.
74. Question: What planet in the Solar System has the most moons and how many?
Answer: Jupiter, 92 moons.
75. Question: "For every action in nature, there is an equal and opposite reaction." This statement refers to which law by Newton?
Answer: Third law of motion.
76. Question: What is the chemical symbol for iron?
Answer: Fe.
77. Question: What is the term for a chemical reaction that absorbs heat from its surroundings?
Answer: Endothermic reaction.
78. Question: What is the branch of science that deals with the study of mechanical waves and their properties?
Answer: Acoustics.
79. Question: What is the largest planet in the Solar System?
Answer: Jupiter.
80. Question: What is the scientific term for the study of prehistoric life through fossils?
Answer: Paleontology.
81. Question: Which element has the highest melting point at standard atmospheric pressure?
Answer: Tungsten.
82. Question: What is the unit of measurement for the amount of electrical potential difference between two points called?
Answer: Volt (V).
83. Question: "The entropy of an isolated system can never decrease over time." The statement refers to the third law of which specific field of science?
Answer: Thermodynamics.
84. Question: What is the branch of physics that deals with the behavior and properties of matter at the atomic and subatomic levels?
Answer: Quantum mechanics.
85. Question: What was the name of the ancient Greek physician who is considered the father of medicine?
Answer: Hippocrates.
86. Question: What is the name of the boundary between Earth's atmosphere and outer space, typically located around 62 mi (100 km) above sea level?
Answer: Kármán line.
87. Question: What is the unit of measurement for the intensity of sound called?
Answer: Decibel (dB).
Science Trivia Questions About The Human Body
Ever wondered about the marvels packed inside your skin? This final list of trivia questions and answers introduces you to some fascinating facts about the complex human body. Let's see if you can unravel these mysteries and maybe even discover some new facts you were unaware of.
88. Question: What is the name of the largest bone in the human body?
Answer: Femur.
89. Question: What is the smallest bone in the human body?
Answer: The stirrup bone, or stapes.
90. Question: Out of the different blood types of humans, which is the rarest?
Answer: AB-negative.
91. Question: What is the average resting heart rate for adults?
Answer: 60-100 beats per minute.
92. Question: What is the medical term for the voice box?
Answer: Larynx.
93. Question: How many vertebrae make up the spinal column of a human?
Answer: 33.
94. Question: Name the main five senses of a human being.
Answers: Sight, smell, touch, taste, and hearing.
95. Question: How many teeth do adult humans have?
Answer: 32.
96. Question: What part of the human brain deals with emotions?
Answer: Limbic system.
97. Question: Which part of the brain controls balance and coordination?
Answer: Cerebellum.
98. Question: Which hormone is known as the stress hormone as it is released in response to stress?
Answer: Cortisol.
99. Question: How many bones are there in the adult human hand?
Answer: 27.
100. Question: Where do humans get their energy from?
Answer: Food.
102. Question: What is the only type of mature blood cells that do not contain any nuclei?
Answer: Red blood cell.
103. Question: Which organ in the human body produces insulin?
Answer: Pancreas.
104. Question: What is the largest organ in the human body?
Answer: Skin.
105. Question: How many bones does an adult human have?
Answer: 206.
And there you have it, the end of this fun-filled, brain-boosting science trivia quiz! Hopefully, this trivia could also ignite your curiosity for learning, apart from presenting you with a bulk of science facts.
The trivia only provides a brief overview of the wonders of science, so there is a lot more you have to learn. Regardless of where you are on your science journey, there's always something new to discover.
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Sources
https://solarsystem.nasa.gov/moons/jupiter-moons/ganymede/overview/
https://www.nrc.gov/about-nrc/radiation/health-effects/radiation-basics.html
https://scied.ucar.edu/learning-zone/atmosphere/layers-earths-atmosphere
http://www.bbc.co.uk/schools/gcsebitesize/science/ocr_gateway_pre_2011/rocks_metals/6_clean_air1.shtml
https://www.britannica.com/science/physical-science
https://phys.org/news/2014-12-percent-earth.html
https://www.space.com/21702-sirius-brightest-star.html
https://www.healthline.com/human-body-maps/stapes-bone
https://oceanservice.noaa.gov/facts/highestpoint.html
https://www.reagent.co.uk/blog/why-is-chemical-energy-stored-in-food/
https://www.nationalgeographic.org/encyclopedia/rock-cycle/
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Bachelor of Arts specializing in English
Arkoprabho SadhuBachelor of Arts specializing in English
Arkoprabho is an English graduate from Bidhannagar University with experience in academic writing on various subjects such as business management, law, and medicine. He is a published poet and enjoys films, music, and finance. As a member of the Content Updating team, he aims to become an expert in SEO content writing and editing. In his free time, he likes to write film scripts, research the stock market, and indulge in creative interests such as poetry writing, anime, and music.
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