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Science & Nature

50 randomly selected Science & Nature questions for quizmasters.

New random selection made weekly.  Next update: Monday 3rd June 2024

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 Some questions and answers may be outdated.)

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1.What name is given to a second full moon occurring in the same calendar month as another?
Blue moon (as in the expression "once in a blue moon")
2.What 6-letter word can be spelt using the chemical symbols for tungsten, aluminium, potassium, and erbium?
3.In this electrical circuit diagram, what device is represented by the symbol highlighted?
4.What 'D' describes a disorder of the mind resulting in a serious loss of global cognitive ability, the most common form of which is Alzheimer's disease?
5.What 'D' is used to describe the nest of a tree squirrel or flying squirrel?
Dray / Drey
6.How many of the 8 major planets in our solar system have rings?
4 (Jupiter, Saturn, Uranus, and Neptune)
7.What allotrope of carbon is used in pencil leads?
Graphite (pencil lead is most commonly a mix of powdered graphite and clay)
8.What material powers the world's five largest power producing facilities?
Water (Hydroelectric dams)
9.In what century did pioneering Swedish botanist Carl Linnaeus live?
18th (1707-1778)
10.What two body parts are connected by the Eustachian tube?
Ear and nose (a narrow passage leading from the nasopharynx to the cavity of the middle ear)
11.A derivative of the US opioid epidemic, "Hillbilly Heroin" is a nickname given to what pharmaceutical?
Oxycodone (OxyContin / Roxicodone / etc.)
12.What island was home to the now extinct Dodo?
13.Entomophobia is an excessive or unrealistic fear of what?
14.A lack of what vitamin causes Nyctalopia, or Night Blindness?
15.To the nearest whole number, how many metres is 72 feet?
22 (21.9456)
16.The giant-impact hypothesis, sometimes called the Big Splash, offers a theory about the creation of what celestial body?
The Moon

17.What 'M' is the device that generates microwaves in a microwave oven?
Magnetron (Cavity magnetron)
18.How many sides of a scalene triangle are equal in length?
19.What 'C' describes the arteries that supply the head and neck with oxygenated blood?
20.The most common form of anaemia is caused by a deficiency of what?
21.What 'G' is used to describe a lump or swelling at the front of the neck caused by a swollen thyroid?
Goitre / Goiter
22.What is the name of the human syndrome characterised by multiple physical and vocal tics, often causing the sufferer to uncontrollably shout obscenities?
Tourette syndrome
23.Malic acid derives its name from the Latin word for which fruit?
Apple (Latin: mālum)
24.Rockhopper, Jackass, Macaroni and Chinstrap are all types of what animal?
25."Saffron Scourge" is an old name for what kind of fever?
Yellow fever
26.For what disease is a common vaccine provided to prevent lockjaw?
27.What 'T' is the SI unit of magnetic flux density?
28.What name is given to animals that neither possess nor develop a backbone?
29.What 7-letter word can be spelt using the chemical symbols for beryllium, arsenic, thallium, and yttrium?
30.What ancient Greek physician is often referred to as the "father of western medicine"?
31.With toxic foliage and berries, by what name is Atropa belladonna more commonly known?
Deadly Nightshade
32.To what organ of the body is the pituitary gland attached?
Brain (Hypothalamus)

33.What farm animal has the Latin name Gallus gallus domesticus?
34.In what organ would you find your pineal gland?
35.Nicknamed desert rats, what 'J' describes this family of animals?
36.What happens to water at 273 degrees Kelvin?
It freezes (water boils at 373 K)
37.What type of animal is a "flying fox"?
Bat (Fruit Bat)
38.What name is given to the study and use of sound waves with frequencies higher than the upper audible limit of human hearing?
39.What chemical element takes its name from the Greek word for pale green?
Chlorine (Greek: χλωρóς khlôros)
40.What chemical element has the symbol Se?
41.By definition, what does a polyorchid person have at least three of?
42.What animal is responsible for more human deaths every year than all other animals combined?
43.This is the Great Crested species of what family of bird?
44.Measured by diameter, what is the second smallest of the eight major planets in our solar system?
45.What element has the atomic number 7?
46.How many watts are there in a gigawatt?
1 billion (109 / 1,000,000,000)
47.What volatile oil is distilled mainly from the resin of Pine trees?
48.What planet in our solar system takes almost 165 Earth years to orbit the Sun?
Neptune (1979 Earth months)
49.What star is also known colloquially as the "Dog Star"?
Sirius (the brightest star in the Earth's night sky)
50.Wapiti (Cervus canadensis) are one of the largest species in the deer family. By what name are they more commonly known?

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