Science & Nature50 randomly selected Science & Nature questions for quizmasters. New random selection made weekly. Next update: Monday 16th November 2026 (Please note: Questions are taken from our database of previous quizzes. Some questions and answers may be outdated.) |
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| 1. | Launched in August 2004, which planet was the NASA space probe MESSENGER sent to explore? |
| 2. | How many hearts does an octopus have? |
| 3. | In degrees Celcius, what is the normal human body temperature? |
| 4. | From what metal element are most incandescent light bulb filaments made? |
| 5. | By what name is fossilised tree resin better known? |
| 6. | Ichthyology is the scientific study of what? |
| 7. | What is the SI unit of electrical resistance, and what symbol is used to represent it? |
| 8. | The first cervical vertebra of the spine (C1), what 'A' describes this bone? |
| 9. | What planet in our solar system takes almost 165 Earth years to orbit the Sun? |
| 10. | How many major planets are there in our solar system? |
| 11. | Protium, deuterium, and tritium are isotopes of what chemical element? |
| 12. | Native to the mountains of southern Europe, what 'L' describes this small tree? |
| 13. | What 6-letter word can be spelt using the chemical symbols for gold, titanium, and samarium? |
| 14. | What 'H' describes the fruit of the rose plant? |
| 15. | What name is given to the two instants of time each year when the centre of the visible Sun is directly above the equator? |
| 16. | What term is used to describe a packet of data sent by an Internet server to a browser, subsequently returned by the browser each time it accesses the same server in order to identify the user or track their access to the server? |
| 17. | What metric unit of length is equal to 39.37 inches? |
| 18. | What 10-letter word can be spelt using the chemical symbols for gold, beryllium, roentgenium, indium, and einsteinium? |
| 19. | What 'T' is a test of a machine's ability to exhibit intelligent behaviour equivalent to, or indistinguishable from, that of a human? |
| 20. | What 'I' describes the uppermost and largest bone of the human pelvis? |
| 21. | The symbol for what chemical element is derived from the Latin word argentum? |
| 22. | What name is given to the clear, straw-coloured liquid that holds blood cells in suspension? |
| 23. | More than any other letter of the alphabet, twelve chemical symbols in the periodic table begin with what letter? |
| 24. | At 20 °C, sound travels through air at how many metres per second? [±10] |
| 25. | What company developed the ill-fated Betamax video format in the mid-1970s? |
| 26. | What 6-letter word can be spelt using the chemical symbols for tin, oxygen, rhenium, and sulphur? |
| 27. | How many eyes does a bee have? |
| 28. | At 4.25 light-years, what is the nearest-known star to the Sun? |
| 29. | What chemical element has the symbol Pu and atomic number 94? |
| 30. | What did Wilhelm Röntgen first produce and detect in 1895, earning him the first Nobel Prize in Physics in 1901? |
| 31. | What 'M' describes this genus of Old World monkeys? |
| 32. | The chemical symbol for what metal element is derived from the Latin word stannum? |
| 33. | TON 618, NGC 4889, OJ 287, and Messier 87 are among the largest what so far discovered in space? |
| 34. | How many pairs of chromosomes make up the cells of a normal human body? |
| 35. | In underwater diving, what does the letter 'C' stand for in the acronym 'scuba'? |
| 36. | What was the surname of the German physicist who first conclusively proved the existence of electromagnetic waves in 1886? |
| 37. | Vanessa atalanta is a colourful butterfly found in temperate Europe, Asia and North America. By what name is it better known? |
| 38. | A brand name introduced by Corning Inc. in 1915, what is the most commonly used term for borosilicate glass? |
| 39. | Mn is the chemical symbol for what element? |
| 40. | What substance is secreted from glands in the heads of worker bees and used to feed bee larvae and adult queens? |
| 41. | Arrange these poodle sizes in the correct order, largest first: Miniature, Toy, Standard. |
| 42. | What are kept in an apiary? |
| 43. | Also known as the forest giraffe or zebra giraffe, what 'O' describes this animal, native to the Congo in Central Africa? |
| 44. | What colour has the longest wavelength in the visible light region of the electromagnetic spectrum? |
| 45. | In computing terminology, what does BIOS stand for? |
| 46. | In which organ of the human body would you find the alveoli ? |
| 47. | Making up around 8% by weight of the Earth's solid surface, what is the most abundant metal in the Earth's crust? |
| 48. | Also called median nerve compression, what three words commonly describe a condition that causes numbness, tingling, or weakness in your hand? |
| 49. | What chemical element with the atomic number 27 can be used to create a blue pigment? |
| 50. | What element did Joseph Priestley become the first to isolate in its gaseous state in 1774? |
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