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40 Ultimate 6th Grade Trivia Questions and Answers

Reviewed by Stefanie Zaldarriaga, Author·Updated Aug 2025·5 min read

Challenge your brain with this engaging collection of 6th grade trivia. Covering subjects like math, science, history, geography, and pop culture, these questions are perfect for middle school students, teachers, and curious learners of all ages. Whether you're prepping for a quiz or just having fun, this trivia will keep your mind sharp.

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  1. 1What is the smallest prime number?

  2. 2Who was the first woman to win a Nobel Prize?

  3. 3Which planet has the longest day in our solar system?

  4. 4In which U.S. state is the Grand Canyon located?

  5. 5What is the main gas found in the air we breathe?

  6. 6Who wrote the novel The Giver?

  7. 7What is the hardest natural substance on Earth?

  8. 8How many stripes are on the U.S. flag?

  9. 9Which organ in the human body is primarily responsible for detoxifying blood?

  10. 10Which ancient civilization built Machu Picchu?

  11. 11What is the largest planet in our solar system?

  12. 12How many continents are there on Earth?

  13. 13Which U.S. president issued the Emancipation Proclamation?

  14. 14What is the value of Pi rounded to two decimal places?

  15. 15Who painted the Mona Lisa?

  16. 16Which ocean is the largest in the world?

  17. 17What is the freezing point of water in Celsius?

  18. 18Who invented the light bulb?

  19. 19Which country is both a continent and a country?

  20. 20In which city would you find the Eiffel Tower?

  21. 21What is the longest river in the world?

  22. 22Who is the Greek god of the sea?

  23. 23What is the chemical symbol for gold?

  24. 24Which organ pumps blood through the human body?

  25. 25What is the fastest land animal?

  26. 26In math, what is the term for a number that is divisible only by 1 and itself?

  27. 27What is the capital of Japan?

  28. 28Which famous ship sank after hitting an iceberg in 1912?

  29. 29Which planet is known for its rings?

  30. 30Who wrote Romeo and Juliet?

  31. 31What is the main ingredient in guacamole?

  32. 32Which natural disaster is measured by the Richter scale?

  33. 33Which U.S. state is the largest by area?

  34. 34In computing, what does “HTTP” stand for?

  35. 35What is the square root of 81?

  36. 36Which country invented paper?

  37. 37What is the main language spoken in Brazil?

  38. 38Which is the smallest country in the world by area?

  39. 39How many players are on a baseball team on the field at one time?

  40. 40Which gas do humans exhale that plants use for photosynthesis?

Answer Key

  1. 1. 2
  2. 2. Marie Curie
  3. 3. Venus
  4. 4. Arizona
  5. 5. Nitrogen
  6. 6. Lois Lowry
  7. 7. Diamond
  8. 8. 13
  9. 9. Liver
  10. 10. The Inca Empire
  11. 11. Jupiter
  12. 12. 7
  13. 13. Abraham Lincoln
  14. 14. 3.14
  15. 15. Leonardo da Vinci
  16. 16. Pacific Ocean
  17. 17. 0
  18. 18. Thomas Edison
  19. 19. Australia
  20. 20. Paris
  21. 21. Nile River
  22. 22. Poseidon
  23. 23. Au
  24. 24. Heart
  25. 25. Cheetah
  26. 26. Prime number
  27. 27. Tokyo
  28. 28. Titanic
  29. 29. Saturn
  30. 30. William Shakespeare
  31. 31. Avocado
  32. 32. Earthquake
  33. 33. Alaska
  34. 34. HyperText Transfer Protocol
  35. 35. 9
  36. 36. China
  37. 37. Portuguese
  38. 38. Vatican City
  39. 39. 9
  40. 40. Carbon dioxide

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