Science & Nature50 randomly selected Science & Nature questions for quizmasters. New random selection made weekly. Next update: Monday 18th May 2026 (Please note: Questions are taken from our database of previous quizzes. Some questions and answers may be outdated.) |
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| 1. | What 6-letter word can be spelt using the chemical symbols for thorium, rhenium, and astatine? |
| 2. | In terms of size and mass, which planet in our solar system is closest to those of the Earth? |
| 3. | In computing, what does the acronym ROM stand for? |
| 4. | What 5-letter word can be spelt using the chemical symbols for Samarium, Arsenic and Hydrogen? |
| 5. | What 4-letter word can be spelt using the chemical symbols for lithium, nitrogen, and potassium? |
| 6. | What 'A' secrete honeydew as they feed on plant sap? |
| 7. | The international standard (SI) unit of capacitance is named in honour of what 19th-century English scientist? |
| 8. | Polysomnography is the scientific study of what? |
| 9. | In 1873, Norwegian physician Gerhard Hansen discovered the bacillus that causes what infectious disease? |
| 10. | What 9-letter word can be spelt using the chemical symbols for boron, iridium, dubnium, astatine, and hassium? |
| 11. | Harpy, Serpent, Martial and Booted are all types of what bird? |
| 12. | What 'R' describes an electrical device that converts alternating current (AC) to direct current (DC)? |
| 13. | Still operational today, the world's first Web site was established in 1990 in what country? |
| 14. | Illegally trafficked due to unfounded beliefs in Asia that its ground-up scales can cure cancer or asthma, what 'P' describes this endangered mammal? |
| 15. | What 'A' is the most commonly used family of rockets launched by the European Space Agency? |
| 16. | Name either one of the two poisonous gases associated with acid rain. |
| 17. | Named after an indigenous people of the United States, what is the largest species of Pacific salmon? |
| 18. | Which letter is furthest right on an English language computer keyboard? |
| 19. | What is the medical term for the largest bone in the human body? |
| 20. | What 'H' describes a condition in which the body, or a region of the body, is deprived of oxygen at the tissue level? |
| 21. | In communications terms, what does ISP stand for? |
| 22. | Silk, wool, starch, DNA, cellulose, and proteins are all examples of naturally occurring what? |
| 23. | What 5-letter word can be spelt using the chemical symbols for Samarium, Iridium and Potassium? |
| 24. | What colour are Edelweiss flowers? |
| 25. | What 'C' describes the intelligent personal assistant released by Microsoft for several of its operating systems in 2014? |
| 26. | What 7-letter word can be spelt using the chemical symbols for copper, thallium, arsenic, and sulphur? |
| 27. | How many bones are there in the adult human body? |
| 28. | On what part of your body is your ulna? |
| 29. | What object in our solar system is named after the Ancient Greek ruler of the underworld? |
| 30. | Native to Australia and New Guinea, what 'Q' describes this animal? |
| 31. | What is the collective noun for a group of crows? |
| 32. | "Saffron Scourge" is an old name for what kind of fever? |
| 33. | Only five elements in the periodic table have four letters in their English language names. Iron is one. Name the other four. |
| 34. | What acid has the molecular formula H2SO4? |
| 35. | Titan, Rhea and Iapetus are the three largest moons of what planet in our solar system? |
| 36. | Sorted alphabetically by chemical symbol, what element comes immediately after silver? |
| 37. | How many of the 8 major planets in our solar system have rings? |
| 38. | 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? |
| 39. | In biology, what 'S' describes a close and often long-term mutually beneficial association between two or more different species? |
| 40. | What is the aquatic larva of an amphibian more commonly called? |
| 41. | In mathematics, what is the reciprocal of four? |
| 42. | More than any other letter of the alphabet, twelve chemical symbols in the periodic table begin with what letter? |
| 43. | The becquerel (symbol Bq) is the SI derived unit of what? |
| 44. | With a lifespan exceeding 200 years, this Arctic-dwelling whale is the longest known living mammal on Earth. What is it called? |
| 45. | How many wings does a mosquito have? |
| 46. | What name is given to animals that neither possess nor develop a backbone? |
| 47. | Red, fennec, arctic and bat-eared are four types of what animal? |
| 48. | Write down the chemical symbols for potassium, nitrogen, oxygen and tungsten, in that order, to reveal a four-letter word. |
| 49. | Sometimes called a "living fossil", what name is given to this rare species of deep-sea shark? |
| 50. | The pink bollworm is an insect known for being a pest in the cultivation of what crop? |
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