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Science & Technology

231 questions in this category
Question: Who discovered that all objects, heavy or light, fall at the same rate (with the same acceleration)?

With thanks to Charles Ongeri for correcting the question
Question: What is the Macintosh computer named after?

With thanks to Rolland Willa for correcting the answer to this question
Question: What is a googol?

With thanks to Graham Jones for correcting the answer to this question
Question: Under what name is the Chinese gooseberry normally sold?

With thanks to Suzy Fewtrell of New Zealand for expanding the answer
Question: How much does a cubic metre of water weigh?

With thanks to David Heslop for correcting this question
Question: How many square metres in a hectare?
Question: On which planet is the tallest mountain in the Solar System?
Question: Which is the largest species of dolphin?
Question: Which planet of the solar system has its 27 moons named after characters from the works of William Shakespeare and Alexander Pope?
Question: What in meteorology is measured in Oktas?
Question: What is the SI unit of temperature?
Question: What is Aqua Regia?
Question: LSD is a synthetic derivative of which type of naturally occurring growth?
Question: What type of grazing animal is an Onager?
Question: On the Mohs scale of hardness, what is the second hardest mineral, after diamond?
Question: In biology, what is symbiosis?
Question: Who flew in Vostok 1?
Question: What's the name given to lines of equal underwater depth on maps?
Question: The X-Men character Wolverine is named after the animal of the same name. What kind of animal is a wolverine?
Question: What is the SI unit of frequency (used in measuring audio and radio transmissions among many others)?
Question: What is the name of a single dot on a computer monitor screen?
Question: Where would you commonly find a sand dollar?
Question: Which gas has the chemical formula CO?
Question: What was the Wright Brother's first successful aeroplane called?
Question: What is the name of the study of the motion of the earth's crust?
Question: Graphite is composed of which element?
Question: What medical condition gets its name from the Greek "half a head"?
Question: Which isotope is commonly used to date decayed organic matter?
Question: Do astronauts have mass in outer space?
Question: Which is the hardest tissue in men, as well as in women?
Question: On the moon, what colour is the sky?
Question: What did Tim Berners-Lee create and where?
Question: The detrimental effects of DHMO (di-hydrogen monoxide) were spelled out in the early 90s. What is di-hydrogen monoxide?
Question: Boats and planes roll when rotating about their longitudinal axis. What are the other two rotations called?
Question: The Indian-Pacific train links the two oceans. Between which two cities does it run?
Question: If, in Japan, you were travelling on a Shinkansen, what mode of transport would you be using?
Question: What in Asia is a Tuk-tuk?
Question: What is the SI unit of force?
Question: What lies above the troposphere?
Question: What is the name of the shortest route between two points on a sphere? (Such as flying between two points on earth.)
Question: Alec Issigonis designed one of the most famous cars of the 20th century. Which one?
Question: Which is the most powerful rocket used operationally?
Question: What in radio does AM stand for?
Question: In the physical world (as opposed to art) what are the primary colours?
Question: Solid carbon dioxide is known by what name?
Question: What extinct creature got its name from the Portuguese word for stupid?
Question: What is the angle between the hands of a clock at 1 o'clock?
Question: What is the chemical symbol for Ozone?
Question: What is the name of the mascot on the bonnet of a Rolls Royce?
Question: What is the three-dimensional image created with laser beams called?
Question: What type of animal are Belugas?
Question: What were (and still are) 'Skyscrapers' before the term was applied to tall buildings?
Question: What would you use Archimede's Screw for?
Question: Whats the the name for the bending of light as it passes from one medium to another?
Question: Where is the hypocentre of an earthquake in relation to its epicentre?
Question: Which is the only muscle in your body that is only attached at one end?
Question: Which planet in our solar system has an orbital period of 687 days?
Question: What shape is the DNA molecule?
Question: BASIC, Perl, and Python are types of what?
Question: By what name is "Jerry's Guide to the World Wide Web" now known?
Question: Disgusting-sounding ailments no.1: What is Borborygmus?
Question: Evaporation is changing from a liquid to gas. What is changing from a solid to a gas called?
Question: How many astronauts crewed the Gemini series of spacecraft?
Question: How many astronauts crewed the Mercury series of spacecraft?
Question: If 8 bits make a byte, what do 4 bits constitute?
Question: In photography, what does SLR stand for?
Question: In which US state did the Wright brothers first fly?
Question: Litmus paper turns what colour when in contact with an acid?
Question: Many of us use CDROMs these days, but what does the acronym mean?
Question: Mrs. Thomas Smith of Ryde, NSW, Australia, produced a new variety of fruit in 1868. What is it called?
Question: Name anything that happened in Britain on September 3rd, 1752.
Question: On the Moh Hardness scale, what has a hardness of 10?
Question: Pony, Shot, and Jigger are units of measure of what?
Question: Referring to internet connections, what does ADSL mean?
Question: The prefix mega- is a millionfold in the SI units and giga- is a billion. Tera is a trillion but what is the quadrillionfold (10 to the power of 15) prefix?
Question: The winter solstice (summer in the Southern hemisphere) occurs when the sun is furthest from the equator (on December 22nd). What do we call the days the sun crosses the equator in March and September?
Question: To the nearest whole number, how many revolutions does the moon make around the earth in a calendar year?
Question: Strange, charm, up, down, top, and bottom are types of what?

With thanks to Lucy Boulding for correcting the question
Question: What are the two types of camel called?
Question: What colour is caffeine?
Question: What colour is the 'Black Box' found in commercial planes?
Question: What did Einstein get the Nobel prize for?
Question: What did John Logie Baird invent in 1925?
Question: What does CAT stand for in a CAT-scan?
Question: What does Cytology study?
Question: What does DVD stand for?
Question: What does MG in the car brand stand for?
Question: What does VTOL mean when applied to an aircraft?
Question: What in radio is FM?
Question: What is -459.7ºF also know as?
Question: What is 0º Fahrenheit in centigrade?
Question: What is a camel's hump made of? Water, fat or muscle?
Question: What is a rhinoceros' horn made of?
Question: What is an eolic power station?
Question: What is an Ishihara test used for?
Question: What is calcium carbonate normally known as?
Question: What is measured in Amperes?
Question: What is panophobia or pantophobia?

With thanks to Sam Jones PhD, South Wales, for correcting this question
Question: What is the fundamental difference between an autogyro and a helicopter?
Question: What is the more common name for Ethylene Glycol?
Question: What is the more common name of Ascorbic Acid?
Question: Which are the only venomous mammals in the world?

With thanks to Jeff Hicks for correcting the answer to this question
Question: What is Zulu time?

With thanks to Chris O'Byrne for correcting this question
Question: What lies between Mars and Jupiter?
Question: What was the first man-made object to move faster than the speed of sound?
Question: What was the gin in the cotton gin invented by Eli Whitney in the US in 1793?
Question: What was the name of the first spacecraft to land softly on the moon?
Question: What would a Conchologist be interested in?
Question: Where, in a household, would you find a magnetron?
Question: Which common animal is properly known as Mus Musculus?
Question: Which computer operating system has a penguin as its logo?
Question: Which crop is attacked by the boll weevil?
Question: Which element has atomic number 2?
Question: Which German architect who designed the Seagram Building in New York said "Less is more, God is in the details"?
Question: Which hangs from the ceiling, a stalactite or a stalagmite?
Question: Which is currently the world's tallest building?

With thanks to Remo Anniyan for updating the answer to this question
Question: Which is the closest galaxy to our own?
Question: Which is the densest planet in our solar system?
Question: Which is the first chemical element in alphabetical order?
Question: Which is the largest organ in the human body?
Question: Which is the last chemical element (in alphabetical order)?
Question: Which is the main component of Brass and Bronze?
Question: Which is the opposite point to the Zenith?
Question: Which metal do you get from bauxite?
Question: Which metal do you get out of Hematite?
Question: Which Nobel Prize is awarded by the Caroline Institute of Stockholm?
Question: Which period came after the Triassic?
Question: Which unit of measurement was defined by Henry III of England by placing three barleycorns in a line?
Question: Which vitamin is thiamine?
Question: Which was the first jet airliner to enter commercial service?
Question: What two time Nobel prize winner was a proponent of Vitamin C?

With thanks to Russ Hall for correcting this question
Question: Who invented the centigrade scale?
Question: Who was the scientist who measured, on his honeymoon, the amount of heat produced by a local waterfall? (He never had children).
Question: Which chemical element gets it's name from a greek word meaning 'stranger'?
Question: Which two planets do not have moons?
Question: Who won the 1954 Nobel Prize for Chemistry and the 1962 Nobel Peace Prize?
Question: Is the sun denser than water?
Question: What's the difference between a venom and a poison?
Question: What is myrrh?
Question: In radio and television, among other things, what does UHF stand for?
Question: Which sugar makes up nearly 8% of milk and is also known as 'milk sugar'?
Question: What are Lyrids, Perseids, and Leonids?
Question: Where in the human body do you find aqueous humour?
Question: During which phase of the moon can a solar eclipse occur?
Question: What is the name given to rain with a particularly low pH?
Question: Which part of the body does an orthopaedic surgeon treat?
Question: What's the common name of the animal know as 'Vulpes Vulpes'?
Question: Which species of animal has the greatest variety of shape and size?
Question: Which element, used in electric light filaments and in aviation, has the highest melting point?
Question: Which is the largest fish?
Question: Besides humans, which are the only primates that live freely in Europe?
Question: Hydrated magnesium silicate is found in most bathrooms. By what name is it better known?
Question: What (very) common item measures 210 mm by 297 mm by approximately 0.5 mm and weighs about 5g?
Question: The ABO grouping classifies what?
Question: Parkesine and Bakelite were two early examples of what?
Question: Blu-ray discs are set to take over from DVDs. Where does the name come from?
Question: What is an explosive mixture of sulphur, charcoal, and saltpetre (potassium nitrate) more commonly known as?
Question: Henry Ford said 'Any customer can have a car painted any colour that he wants so long as it is black'. Why was the Ford Model T offered only in black?
Question: The first nuclear powered ship was designed for what purpose?
Question: The bark of the Cinchona, historically known as Jesuit's Bark or Peruvian Bark, was the original source of which drug?
Question: Which metal is named after Cyprus where it was mined in the Roman era?
Question: What's the name of the type of self-contained cable railway in which a cable attached to a pair of tram-like vehicles on rails moves them up and down a very steep slope, the ascending and descending vehicles counterbalancing each other?
Question: What is the laryngeal prominence formed by the angle of the thyroid cartilage surrounding the larynx commonly called?
Question: Which Admiral has a wind speed scale named after him?
Question: The word 'Galaxy' comes from the Greek word for what?
Question: Alligators are native to only which two countries?
Question: Hansen's Disease was traditionally known as what?
Question: What's the name of the fruit originally called Yáng Táo in Southwest China, where it originates? There is a golden variety call Hinabelle.
Question: What can be categorised as Flip, Bar, Slide, Swivel, or Brick?
Question: Which is the largest gland in the human body?
Question: How many carats in pure gold?
Question: What is decompression sickness commonly known as?
Question: What type of fruit is a McIntosh?
Question: What is the negatively charged electrode called? (one in which the current flows out)
Question: Where or what does the internet domain .cat represent?
Question: What does IBM stand for?
Question: Which small egg-shaped computer, released in 1996, had only three buttons (A, B, and C) to 'feed' it, 'clean' it and play games?
Question: What was the name of the first cloned mammal?
Question: Who was known as the 'The Wizard of Menlo Park' and said, 'Genius is one percent inspiration, ninety-nine percent perspiration.'?
Question: A radioactive isotope of Americium can be found in many homes and workplaces. Where?
Question: We all know what rigor mortis is, but what is algor mortis?
Question: What does a defibrillator do?
Question: Who wrote 'The Road Ahead' about the future of personal computing in 1995 and got it so wrong he had to rewrite large parts of it the following year?
Question: What's the difference between a fish and a marine mammal when looking at their tail fins?
Question: Which planet has the Great Red Spot in its atmosphere?
Question: What is the SI unit of electrical current?
Question: The nearest spiral galaxy to this quiz is named Messier 31, M31, or NGC 224, but is more commonly called what?
Question: What is the SETI programme?
Question: What is the nominal output voltage of an alkaline AA battery?
Question: What is the main gas (by volume) in car exhaust?
Question: In which animal species does the male get pregnant?
Question: What can be classified (using the Hertzsprung-Russell diagram) as white dwarfs, main sequence, subgiants, giants, bright giants, supergiants?
Question: What is the name given to nitro-glycerine after it has been mixed with sawdust or clay (diatomaceous earth) to stabilise it?
Question: Riboflavin, Niacin, and Folic Acid are examples of what?
Question: Which planet in our Solar System has a day that is just over 17 hours long, yet the 98º tilt of it axis means that the poles have sunlight for 42 earth years followed by 42 years of darkness. It has 13 rings and 27 moons.
Question: The elements Palladium, Cerium, Uranium, Neptunium, Plutonium are all named after what?
Question: How many points or sides does a snowflake have?
Question: Which is the lightest gas?
Question: What is thanatosis?
Question: If your Wassermann test came up positive, what would you be suffering from?
Question: Which element takes its name from the Greek for 'pale green'?
Question: What is the name of the oil (or fat) obtained from wool?
Question: Where would you find the mound of Venus?
Question: What sort of animal is a Rhodesian ridgeback?
Question: From which well-known type of flower are Vanilla pods obtained?
Question: Anteaters prefer what to ants?
Question: Which is the only insect that can turn its head to look directly behind itself?
Question: What sort of substances are adrenaline, cortisone, insulin, and oestrogens?
Question: What is inflamed when you suffer from nephritis?
Question: How many noble gases are there?
Question: Pencil lead is made out what?
Question: What did Foucault's pendulum prove?
Question: There are three types of nuclear radiation. What are they called?
Question: Freud published his most influential book in 1900. What was it called?
Question: For fans of Mad magazine: what is an axolotl?
Question: What is the antimatter equivalent of the electron?
Question: What are Sodium Thiopental, Pancuronium Bromide, and Potassium Chloride taken in that order?
Question: What kind of animal is a blue-fronted parrot?
Question: What is the name of the alloy made of 95% aluminium, 4% copper and small amounts of magnesium and manganese?
Question: Who wrote the book 'The Double Helix: A Personal Account of the Discovery of the Structure of DNA'?
Question: Who invented natural logarithms?
Question: Which is the main protein in milk?
Question: What part of the body is affected by Otitis?
Question: Which branch of physics deals with sound?
Question: Which law states that, at a constant temperature, the pressure of a gas is inversely proportional to its volume?
Question: Which element has the chemical symbol Rf?
Question: Which temperature has the same value in Fahrenheit and Celsius?
Question: In which organ would you find the pineal gland?
Question: Aquaculture is the correct term for what?
Question: What kind of animal is a basilisk?
Question: Which is the tenth largest body orbiting the sun?

Acknowledgements

Sources: Encyclopedia Britannica, The World Almanac and Book of Facts, Whitaker's Almanac, The Compact Edition of The Oxford English Dictionary, Webster's Encyclopedic Unabridged Dictionary of the English Language, Collins Gem Fact File, Diccionario Enciclopédico Espasa 1 and Wikipedia.. This page layout was last updated on Saturday, May 2nd, 2020 @ 1:28pm CEST (Europe/Madrid).

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