Round 12 - Science Quiz Questions

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Host a fun pub quiz night with our Science Quiz Questions 10; free, printable quiz questions and answers from Challenge the Brain.

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Enjoy printable Science quiz questions and answers.

  1. Which is the only body organ able to regenerate itself?
  2. Which element is symbolised by 'Hs' on the periodic table of elements?
  3. What does 'REM sleep' stand for?
  4. Which organ forms the main part of the central nervous system?
  5. What 'V' measures the thickness of a fluid (resistance to flow)?
  6. W is the chemical symbol of which chemical element?
  7. What was the first mammal to be cloned from an adult cell?
  8. Which side of the human brain controls the left side of the body?
  9. Which famous scientist is often credited with the invention of the phrase 'survival of the fittest'?
  10. What is the chemical formula for H2SO4?
  11. What is the largest living structure on Earth?
  12. Which famous naturalist published his theory of evolution in a book called 'On the Origin of Species' in 1859?
  13. What part of the brain is used for thinking and making decisions?
  14. What is Heterochromia
  15. In an electric circuit, if two 5 amp resistors are wired in series, the overall resistance of the circuit is 10 amps. What is the overall resistance if the two 5 amp resistors are wired in parallel?
  16. Which two countries experience the most tornadoes per year?
  17. What groups, known as A, B, AB and O, can be either RhD positive or RhD negative?
  18. NASA's Voyager 2 spaceprobe observed the 'Great Dark Spot' of which planet in 1989?
  19. What word, beginning with H, describes a heightened sense of smell?
  20. What are the rings of planet Saturn composed of?