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Science & Nature

50 randomly selected Science & Nature questions for quizmasters.

New random selection made weekly.  Next update: Monday 14th July 2025

(Please note: Questions are taken from our database of previous quizzes. Some questions and answers may be outdated.)


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1.A two-dimensional matrix barcode, what does QR stand for?
2.How many degrees does the Earth rotate in one hour?
3.What does the letter 'D' stand for in RADAR?
4.What is the surname of the 19th century scientist who was first to conclusively prove the existence of electromagnetic (e.g. radio) waves?
5.What 'S' describes types of rock that are formed by the deposition of material at the Earth's surface and within bodies of water?
6.With regard to sleep patterns, what does REM stand for?
7.What is the nominal output voltage of an alkaline AA battery?
8.Where on your body is the ethmoid bone and septal cartilage?
9.The Komodo Dragon, the world's largest lizard, can only be found in the wild in what country?
10.What is removed from the body during a phlebotomy?
11.What number is represented in Morse Code by a dot and four dashes?

12.Of the 8 major planets in our solar system, which has the longest orbital period around the Sun?
13.What scientist published his Annus mirabilis papers in 1905?
14.Named after the French physicist who accidentally discovered it in 1896, what is the SI unit for radioactivity?
15.What 'P' describes a measuring device comprising a half or full circle graduated in degrees from 0 to 180 or 360?
16.The fraction 22/7 is an approximate representation of what?

17.Our solar system's sun generates its energy by the nuclear fusion of hydrogen nuclei, thus transforming them into what element?
18.What 5-letter word can be spelt using the chemical symbols for Tungsten, Astatine and Erbium?
19.What single mechanical unit of measurement is equal to 745.7 watts?
20.Cynology is the scientific study of what animal?
21.What colourless, flammable gas with a sweet taste and odour is an important natural plant hormone and is used in agriculture to force the ripening of fruits?
22.What is someone suffering from analgia unable to experience?
23.What is an adult male turkey called?
24.In meteorology, an okta is a unit of measurement used to describe what?
25.What is the name of this genus of herbaceous perennial flowering plants?
26.What is the more common term used to describe the medical condition rhinorrhoea?
27.In the human body, by what name is the ulner nerve more commonly known?
28.What 'E' describes the scientific study of insects?
29.What chemical element is most commonly used in the filament of an incandescent light bulb?
30.What was the name of the male German Shepherd that was an international star in motion pictures from 1922 to 1931?
31.A lustrous grey metalloid, what chemical element has the symbol Sb, derived from its Latin name stibium?
32.What is the main diet of xylophagous insects?

33.Named after a province of Thailand, what breed of domestic cat is this?
34.In reference to a coherent beam of light, what does the 'A' in the acronym LASER stand for?
35.What name is given to the green alkaline fluid produced by the liver?
36.In forensic science, what does the 'F' in AFIS stand for?
37.What are the largest members of the grass family?
38.Belonging to the subphylum Medusozoa, what invertebrates account for nearly 40% of the total biomass of the world's oceans?
39.Rhinotillexis is the medical term for what bad habit?
40."Singultus" is the medical term for what common condition?
41.In human biology, what is a more common synonym for the term climacteric?
42.What 'A' is a medical term describing the loss of hair from the head or body?
43.In geometry, how many seconds are there in one degree?
44.In electronics, what does the acronym LCD stand for?
45.What disease gets its name from the Latin word for crab?
46.Where on your body is your gluteus maximus?
47.What 7-letter word can be spelt using the chemical symbols for cobalt, tungsten, protactinium, and tennessine?
48.What colour has the longest wavelength in the visible light region of the electromagnetic spectrum?
49.What Greek mathematician first declared that in a right-angled triangle, the area of the square on the hypotenuse is equal to the sum of the areas of the squares of the other two sides?
50.Released in 1980 by Philips and Sony, the specifications for what product were described in the first edition of the Red Book?


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