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Measurements Time and Distance Quizzes, Trivia and Puzzles
Measurements Time and Distance Quizzes, Trivia

Time and Distance Measurements Trivia

Time and Distance Measurements Trivia Quizzes

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Have you got enough time to cover the distance? These quizzes are all about how we measure both of these topics.
42 quizzes and 442 trivia questions.
1.
  Red Wine or White, What's in the Cask?    
Ordering Quiz
 10 Qns
Wine Barrel Measurements
Once upon a time casks or barrels were measured as wine gallons. The names for these casks, nowadays, are a little archaic, some are prosaic, and some remain the butt of jokes or imagination.
Average, 10 Qns, pollucci19, Mar 11 24
Average
pollucci19 gold member
Mar 11 24
83 plays
2.
  Measure Up: The Length Edition   top quiz  
Ordering Quiz
 12 Qns
Can you accurately order these units of length from the smallest to the largest?
Average, 12 Qns, wellenbrecher, Nov 23 23
Average
wellenbrecher gold member
Nov 23 23
361 plays
3.
  The Size of Wales   popular trivia quiz  
Ordering Quiz
 10 Qns
With an area of 20,779 sq km and a length of 274km, the size of Wales is a universally recognised unit of geographical measurement. Can you match the object to its size relative to Wales?
Tough, 10 Qns, Snowman, Jan 02 24
Tough
Snowman gold member
Jan 02 24
72 plays
4.
  By All Measures   popular trivia quiz  
Match Quiz
 10 Qns
Measuring Instruments.
Match these units of measurement with the instruments used to quantify them.
Easier, 10 Qns, zorba_scank, Apr 11 23
Easier
zorba_scank gold member
Apr 11 23
671 plays
5.
  Measure for Measure   great trivia quiz  
Match Quiz
 10 Qns
Scientific research needs many quantities to be measured. And to get coherent results, the measurements must be standardized. The SI units fulfil this need of standardization. Match the specific SI unit to the quantity measured.
Easier, 10 Qns, JanIQ, Nov 18 17
Easier
JanIQ gold member
Nov 18 17
540 plays
6.
  Another Measure for Measure   popular trivia quiz  
Match Quiz
 10 Qns
Most scientists use the SI unit system. Other units are still currently used. Your job is to match the SI unit to its corresponding non-SI unit. All numbers used in this quiz are written with the decimal comma, not the decimal point.
Very Easy, 10 Qns, JanIQ, Nov 10 18
Very Easy
JanIQ gold member
Nov 10 18
652 plays
7.
6 Inch
  6 Inch    
Photo Quiz
 10 Qns
In Beyonce's 'Lemonade' Album Challenge, one had to write about a song from the album."6 Inch" was my pick. The metric system is accurate but boring. Most people know how much 6 inches is, right? Let's take a look.
Difficult, 10 Qns, 1nn1, Feb 05 18
Difficult
1nn1 gold member
Feb 05 18
318 plays
8.
  The Fahrenheit Scale   great trivia quiz  
Multiple Choice
 10 Qns
Have you ever wondered about the exact temperatures for various situations? Here's your opportunity to discover your talent as a human thermometer!
Average, 10 Qns, thejazzkickazz, Jun 22 22
Average
thejazzkickazz gold member
Jun 22 22
9720 plays
9.
  Too Close For Comfort   best quiz  
Multiple Choice
 10 Qns
Different Units and their Measurement
Studying for my physics exams, I kept stumbling across the many different ways we perceive distance. Take a trip through time and space to discover just how far, and how to measure it!
Average, 10 Qns, LeoDaVinci, Dec 13 22
Average
LeoDaVinci editor
Dec 13 22
3988 plays
10.
  A Long History in Measuring Time   best quiz  
Multiple Choice
 10 Qns
Measuring time has evolved from an art to a science. Let us explore the different methods used over history in the measurement of something we all take for granted - time.
Average, 10 Qns, LeoDaVinci, Jan 29 13
Average
LeoDaVinci editor
2277 plays
trivia question Quick Question
If my mass is 200 pounds, what is it in kilograms(kg)?

From Quiz "Metric and Imperial Measurements"




11.
  A Scale Model    
Match Quiz
 10 Qns
A look at various types of scientific scales and what they are used for. Can you match them up?
Easier, 10 Qns, 480154st, Mar 24 21
Easier
480154st gold member
Mar 24 21
263 plays
12.
  Units in Electronics   popular trivia quiz  
Match Quiz
 10 Qns
Here are ten of the more important units of measurement used in electricity and electronics. Match the units to the properties.
Easier, 10 Qns, mike32768, May 14 20
Easier
mike32768 gold member
May 14 20
371 plays
13.
  Up To Scale    
Match Quiz
 10 Qns
I give you the scale and you match it to what it measures.
Average, 10 Qns, nyirene330, Oct 29 16
Average
nyirene330
492 plays
14.
  How Hot or Cold is it?    
Match Quiz
 10 Qns
Match these items to their temperatures. Some items can vary and or don't fall exactly on a round number, but for ease of display a single representative value has been chosen. Unless otherwise indicated, assume regular sea level conditions.
Easier, 10 Qns, namrewsna, Mar 24 18
Easier
namrewsna
Mar 24 18
278 plays
15.
  The Space Between   popular trivia quiz  
Multiple Choice
 10 Qns
How big is that linear space? Learn a little about the origins of some common and a few little more unusual linear sizes.
Average, 10 Qns, VegemiteKid, Mar 08 14
Average
VegemiteKid gold member
1074 plays
16.
  Some Really, Really, Really Big Numbers   top quiz  
Multiple Choice
 10 Qns
Everyone knows those little numbers like pi and the square root of two. This quiz is to test your knowledge of numbers in math and science that are mind-bogglingly large!
Average, 10 Qns, adams627, Mar 16 13
Average
adams627
2008 plays
17.
  How Fast, How Strong, How High    
Multiple Choice
 10 Qns
This quiz asks you to recognize equivalents between the International System of Units (SI) and the US Customary System of measurement.
Easier, 10 Qns, bernie73, Mar 18 21
Easier
bernie73 gold member
Mar 18 21
315 plays
18.
  Ten Thousand Nanomegaquestions   popular trivia quiz  
Multiple Choice
 10 Qns
You know kilo-, Mega-, Giga-, centi- and milli-, but do you have what it takes to prefix some very large or very small sizes? Let's take a look at the lesser used SI prefixes! (Numbers are in US system, thus one billion = 1000 million).
Average, 10 Qns, WesleyCrusher, Mar 02 12
Average
WesleyCrusher editor
671 plays
19.
  Metric and Imperial Measurements   popular trivia quiz  
Multiple Choice
 20 Qns
This is kind of a weird quiz topic but something everyone should know, especially those travellers who go between the two different (metric and imperial) systems.
Average, 20 Qns, timence, Sep 14 19
Average
timence gold member
Sep 14 19
4476 plays
20.
  Troy Weights and Other Measures    
Match Quiz
 10 Qns
My 1933 British Dictionary has a section on "Tables of Weights and Measures" that reveals a complex situation with different sets of measures for various different commercial activities. Can you answer these questions?
Average, 10 Qns, davejacobs, Aug 22 18
Average
davejacobs
Aug 22 18
185 plays
21.
  Metric Prefixes (Positive Exponents)    
Match Quiz
 10 Qns
You probably know some of the basic positive exponent metric prefixes, like "kilo" for kilometer, or "mega" for megabyte. There are prefixes for much larger numbers, however. Match the prefixes to the correct numbers.
Average, 10 Qns, Jordanar18, Jan 13 19
Average
Jordanar18 gold member
Jan 13 19
255 plays
22.
  American Measurement System    
Multiple Choice
 10 Qns
The United States in the only industrialized country that does not use the metric system. The American system of measurement is the same as the "English system", which the Brits have abandoned for metric. What do you know about this system?
Average, 10 Qns, drbabe, Jul 10 23
Average
drbabe
Jul 10 23
787 plays
23.
  More Miscellaneous Measures   popular trivia quiz  
Match Quiz
 10 Qns
I found some more quaint measures at the back of my old 1933 Dictionary, and I think some of them - but not all - may still be in use. Can you make these numbers fit?
Tough, 10 Qns, davejacobs, Aug 29 18
Tough
davejacobs
Aug 29 18
141 plays
24.
  British Measurements   popular trivia quiz  
Multiple Choice
 10 Qns
The UK has succumbed to the Système International d'Unités (a.k.a. the metric system), but old units are still remembered and sometimes used in some activities. How much do you know about these?
Average, 10 Qns, TabbyTom, Jun 13 23
Average
TabbyTom gold member
Jun 13 23
2187 plays
25.
  Metric Prefixes (Negative Exponents)    
Match Quiz
 10 Qns
This is a follow-up to my positive exponents metric prefix quiz. Simply match the prefixes to the correct numbers!
Average, 10 Qns, Jordanar18, Jan 20 19
Average
Jordanar18 gold member
Jan 20 19
188 plays
26.
  The Julian Period   top quiz  
Multiple Choice
 10 Qns
The second Julian Period will commence January 23 in the year 3268AD. What do you know about it and your calendars?
Tough, 10 Qns, pollucci19, Aug 16 19
Tough
pollucci19 gold member
Aug 16 19
487 plays
27.
  Down With the Metric System!    
Multiple Choice
 10 Qns
Let's face it: the metric system is boring! This quiz is about other methods of measurement, those with a little uniqueness and personality.
Average, 10 Qns, daver852, Oct 19 23
Average
daver852 gold member
Oct 19 23
395 plays
28.
  The Shortest FunTrivia Quiz ever written    
Match Quiz
 10 Qns
With a quiz requiring ten questions, you can't get by with any less than 20 letters - one for each question and one for each match answer. I've done just that: Match the SI unit to the symbol for the quantity it measures. (Question 4 is a lowercase L).
Difficult, 10 Qns, WesleyCrusher, Dec 04 17
Difficult
WesleyCrusher editor
Dec 04 17
238 plays
29.
  Calendars, Time and Distance editor best quiz    
Multiple Choice
 15 Qns
This is a quiz about calendars, years, months, days and ends with 2 questions involving distance.
Very Difficult, 15 Qns, YOMD39, Jan 29 20
Very Difficult
YOMD39
Jan 29 20
6014 plays
30.
  Measurement All Around You    
Multiple Choice
 10 Qns
Measurement affects the lives of us all. In this quiz I will explore a few of the ways measurement appears around us.
Average, 10 Qns, tamrof, Feb 22 17
Average
tamrof
835 plays
31.
  When My Cup Runneth Over    
Multiple Choice
 10 Qns
I have ten sets of cups, or other containers, filled with different things. Which will fit and which will run over?
Average, 10 Qns, Lottie1001, Jul 04 17
Average
Lottie1001 gold member
Jul 04 17
310 plays
32.
  Scientific Scales    
Multiple Choice
 10 Qns
Over the past 4 or 5 hundred years human beings have done a marvelous job of discovering ways to measure natural phenomena. Let's take a look at some of the scales that have been developed to measure everything from the weather to earthquakes!
Very Difficult, 10 Qns, thejazzkickazz, Feb 26 04
Very Difficult
thejazzkickazz gold member
1523 plays
33.
  Drawn to Scale    
Multiple Choice
 15 Qns
This quiz is about the different scales that are used (or rarely used) in science.
Tough, 15 Qns, geniusonwheels, Sep 04 20
Tough
geniusonwheels
Sep 04 20
787 plays
34.
  Eras and Periods    
Multiple Choice
 10 Qns
This is a short quiz on the eras and periods scientists use to describe the past history of the earth.
Tough, 10 Qns, GeniusBoy, Sep 01 17
Tough
GeniusBoy
Sep 01 17
1149 plays
35.
  Scientific Measurement Units    
Multiple Choice
 10 Qns
Okay, all you science students--let's see how well you listened in your high school science classes!! I will tell you the unit of measurement and you choose the correct quantity that it would be used to measure. Ready, set, THINK!
Average, 10 Qns, lsvitko, Feb 26 04
Average
lsvitko
3836 plays
36.
  SI Units    
Multiple Choice
 10 Qns
An oldy but a goldy. I'll give you the standard SI unit of measurement, you tell me what it measures!
Average, 10 Qns, DesertFox, Feb 26 04
Average
DesertFox
4951 plays
37.
  Uncommon Units of Time and Distance    
Multiple Choice
 10 Qns
Let's see how much you know about uncommon and obsolete units of time and distance.
Difficult, 10 Qns, Earthboy, Apr 08 16
Difficult
Earthboy
345 plays
38.
  Which Way Is Up    
Multiple Choice
 10 Qns
Here is a quiz on directions on the Earth and in the sky.
Average, 10 Qns, almach, Dec 09 15
Average
almach
4230 plays
39.
  Weights and Measures    
Multiple Choice
 10 Qns
A quiz about some lesser known measurement units and connections between very well known ones.
Tough, 10 Qns, mc98025, Oct 29 16
Tough
mc98025
1386 plays
40.
  Cookin' Up Measurements in the USA    
Multiple Choice
 10 Qns
Each question gives a story that must be answered with a measurement. US measurements are used in the quiz.
Average, 10 Qns, pennie1478, Sep 13 22
Average
pennie1478 gold member
Sep 13 22
567 plays
41.
  A Timely Quiz    
Multiple Choice
 10 Qns
Time for a fun quiz! This quiz is about time- the history of time and its measurements.
Very Difficult, 10 Qns, bullymom, Mar 06 06
Very Difficult
bullymom
2038 plays
42.
  Units, Units, Units!    
Multiple Choice
 10 Qns
What do you need while describing a physical quantity? Not only the magnitude of the quantity, but also the units! Get the units wrong and lose marks, or even get a rocket destroyed! Test yourself with this quiz, dedicated to those units.
Tough, 10 Qns, kireeti, May 04 14
Tough
kireeti
483 plays
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Time and Distance Measurements Trivia Questions

1. The British Thermal Unit (BTU) measures heat. Which SI unit would also measure heat (along with energy)?

From Quiz
How Fast, How Strong, How High

Answer: Joule

The BTU measures the amount of heat or energy needed to raise one pound of water one degree Fahrenheit. One of the definitions of the joule is the heat needed to raise one gram of water 0.24 degrees Celsius. The conversion rate between the two is approximately 1055 joules to one BTU. The joule is named for James Prescott Joule, an English physicist who studied the nature and characteristics of heat.

2. Not a typo - of what is metrology the science?

From Quiz The Space Between

Answer: Measurement

The word metrology comes from the Ancient Greek words metron, or measure, and logos (study of), combined to make the science of measurement. The concept of metrology applies not only to distance or length, but also to justice, public safety, health and anything with a measurable standard. Meteorology is the science of weather, while petrology is the study of rocks.

3. Which distance unit does NOT belong to the American measurement system?

From Quiz American Measurement System

Answer: millimeter

A furlong is one eighth of a mile in the American customary units, which are equal to the American System or what used to be called the English system. The British system is similar,but not equivalent to the British Imperial system of units. Unlike the metric or SI systems, there is no standard unit.

4. The original Roman Calendar consisted of ten months and had a total of 304 days. Which two months from our current calender were NOT included on the original Roman Calendar?

From Quiz The Julian Period

Answer: January and February

It was the second Roman King (Numa Pompilius, 715 to 673BC) who established the months of February and January between the months of December and March - (interestingly) in that order. This increased the number of days in the year to 354 or 355 days. In 450BC February was promoted to its current position on the calender.

5. What does the kilopond*second^2/meter measure?

From Quiz Weights and Measures

Answer: Mass

The kp (kilopond) measures force and the m/s^2 (meter per second squared) measures acceleration. Therefore, you have force*acceleration^(-1), which is, of course, mass.

6. The height of a horse is traditionally measured in hands. How many inches make a hand?

From Quiz British Measurements

Answer: 4

It's the approximate width of the human hand (including the thumb). So a horse that stands 5ft 4in tall at the shoulders is said to measure 16 hands. A pony is a horse of 14.2 hands (4ft 10in) or less.

7. What civilization was the first to divide the day into 24 hours?

From Quiz A Timely Quiz

Answer: Egyptian

Around 2100 BC, the ancient Egyptians divided the day into 24 hours: one hour for dawn, one for dusk, 10 for day, and 12 for night. They were also probably the first to establish that the sun took 365 days to make a complete passage.

8. The Mohs scale is used to determine the hardness of minerals, with diamond being the hardest (10) and talc being the softest (1). Of what nationality was the fellow who invented this scale in 1812?

From Quiz Scientific Scales

Answer: German

Friedrich Mohs was a German mineralogist who desired to have a measure of the level of resistance to scratching of the various minerals he studied. His choice of minerals for each level (1-10) is somewhat arbitrary, and is certainly not linear.

9. Approximately how many centimetres in an inch?

From Quiz Metric and Imperial Measurements

Answer: 2.5

Any old plastic ruler should tell you this!

10. If I am looking north, what direction is directly behind my head?

From Quiz Which Way Is Up

Answer: South

No trick question here.

11. What is the oldest period?

From Quiz Eras and Periods

Answer: Pre-Cambrian

During this long period of the Earth's history the first bacteria and algae appeared.

12. In what year of the original Roman calendar did Julius Caesar, with help from the Greek astronomer, Sosignenes,adopt the Julian Calendar?

From Quiz Calendars, Time and Distance

Answer: 709 a.u.c.

The early Romans numbered their years in ab urbe condita (a.u.c.) meaning 'The Founding of the City (Rome)'. 709 a.u.b. would be 46 B.C. if converted to the modern calendar

13. Meter per second squared

From Quiz Scientific Measurement Units

Answer: Acceleration

14. At what temperature, at sea level, does water boil?

From Quiz The Fahrenheit Scale

Answer: 212 F

But of course the higher you go and thus the lower the atmospheric pressure, the lower the temperature has to be.

15. The newton is an SI unit that can measuring gravitational pull. Which US Customary unit would measure the same?

From Quiz How Fast, How Strong, How High

Answer: Pound-force

A newton is a measurement of force. One newton would accelerate one kilogram of matter at the rate of one meter per second squared. Gravity on earth would exert about 9.8 newtons on a kilogram of matter. The pound-force measures the gravitational pull at the earth's surface of a one pound mass. A pound-force is equal to slightly less than 4.5 newtons. The Newton was named for English scientist Isaac Newton who, among many other things, studied gravity.

16. The Earth's distance from the Sun is 150 of which unit?

From Quiz Uncommon Units of Time and Distance

Answer: gigameters

A gigameter is a billion meters or, more commonly, a million kilometers. A gigameter is a rarely used measurement even to denote planet distances from the Sun, which are commonly quoted in astronomical units, kilometers and miles. The Earth is located one astronomical unit, 150 million kilometers or 93 million miles from the Sun using those common units. We would freeze if Earth were located 150 astronomical units away from the Sun, while we would vaporize if it was either 150 kilometers or 150 miles from the Sun.

17. In the King James Bible, Matthew 20:6 says "And about the eleventh hour he went out, and found others standing idle, and saith unto them, Why stand ye here all the day idle?" What time is the "eleventh hour" generally accepted to be?

From Quiz Down With the Metric System!

Answer: 5 PM

One hour after sunrise was reckoned as the "first hour," and the subsequent hours were counted from there, so the eleventh hour would be the fifth hour of the afternoon. Most modern translations of the Bible just say "five in the afternoon."

18. In Ancient Egypt, a palm was the measure of the width of four fingers, equivalent to how many millimetres(inches)?

From Quiz The Space Between

Answer: 75 (3)

The Ancient Egyptians had a sophisticated system of measurements, as clearly evidenced by the pyramids. For linear measures, they used a notched rod, similar to a modern ruler, for uniform standards. One large measure of capacity was a khar (sack) equivalent to 75.2 litres.

19. Larger prefixes than the one for a billion are loosely derived from Greek names for numbers, counting groups of three zeroes. Representing one quintillion or 10 to the 18th power, which prefix thus counts six such groups?

From Quiz Ten Thousand Nanomegaquestions

Answer: Exa-

Derived from "hexa", meaning "six", this prefix was until 1991 the largest SI prefix. It is occasionally heard in conjunction with the unit Watt as some researchers are working on lasers capable of delivering such an amount of power - one million times the output of the entire US power grid or six times the amount of radiation Earth receives from the Sun - for a very short pulse (less than one trillionth of a second). By the way, "Tera-" is derived from "tetra" (four) and "Peta-" has its roots in "penta" (five).

20. Paula is making French Toast Casserole for her family's breakfast. She needs eight whole large eggs for the recipe. If she were converting the eggs into tablespoons, eight eggs would be equivalent to how many tablespoons?

From Quiz Cookin' Up Measurements in the USA

Answer: 24 tablespoons would equal eight eggs

One beaten egg is equal to three tablespoons. If Paula needed eight large eggs for her French Toast Casserole and she were using tablespoons, she would have twenty four tablespoons of beaten eggs. 1 egg = 3 tablespoons 8 eggs * 3 tablespoons = 24 tablespoons

21. There is a measurement device in all drip coffee makers. What does it measure?

From Quiz Measurement All Around You

Answer: temperature of the warming plate

In addition, the coffee maker has one or two thermal fuses. The current to run the heating element goes through these fuses. In cases of severe overheating (usually due to failure of the thermostat) one or both of the fuses melt, thus interrupting the flow of the current. If your coffee maker worked fine yesterday and now won't heat at all, one of these fuses has probably failed.

22. What is an English unit for volume?

From Quiz American Measurement System

Answer: cubic feet

The avoirdupois ounce is a measure of mass. Volume measures capacity, which is a three-dimensional unit. Square feet is a measure of area and feet is a measure of length.

23. A good way of measuring time is waiting for a bin to fill up. An example of this is the hourglass, which waits for sand to fill up in a glass "bin". Another example is the clepsydra. What did it use as its "bin filler"?

From Quiz A Long History in Measuring Time

Answer: water

Literally, clepsydra in Greek means "water stealer". They are older even than hourglasses, as they are mentioned in ancient Chinese scrolls dating back to 4000 BC. They were widespread in use, and were considered very accurate and versatile time measuring devices. Modern clepsydras are not found in abundance as technology has advanced. Nevertheless, they are a novelty, and often utilize several technologies rolled into one design. A great example of this is the Hornsby Water Clock in a mall in Hornsby, Australia, which uses the principles of a clepsydra, a water-wheel clock, and a pendulum clock in one artistic design.

24. 6.02*10^23, or Avogadro's Number, is a number that chemistry students have learned for years. What exactly does the number represent to chemistry?

From Quiz Some Really, Really, Really Big Numbers

Answer: The number of carbon atoms in 12 grams of carbon-12

A mole is the SI unit for amount of a substance, and Avogadro's number is a measure of how many atoms are needed to make a gram of a substance. Therefore, Avogadro's constant is one of the most important numbers in chemistry and in science. Chemists in North America even celebrate Mole Day on October 23(10/23)!

25. In 46BC the Roman Calendar was replaced by the Julian Calendar. Who was it that persuaded Julius Caesar to reform the Roman Calendar in order to produce a much more manageable format?

From Quiz The Julian Period

Answer: Sosigenes of Alexandria

Very little is known of Sosigenes. He was known as 'Pliny the Elder' and was noted as an astronomer when consulted by Caesar. There are sources that indicate that the format of the calendar was designed by Aristarchus of Samos, a Greek mathematician and astronomer, some 200 years prior. Ptolemy III was also cited to have proposed similar reform in 238BC but it was never adopted. Aristaeus was a Greek mathematician who was a contemporary of Euclid. Bryson, also Greek, contributed toward the calculation of pi, and Hippocrates attempted to explain the phenomena of comets and the Milky Way.

26. Driving right along, what is the instrument used to measure distance in a car called?

From Quiz Too Close For Comfort

Answer: odometer

The odometer measures the distance the car has driven by measuring the magnetic field the rear transmission creates while spinning. In layman's terms, the faster the car goes, the more distance you travel and the stronger the magnetic field. Therefore, the odometer will spin faster indicating that your car has gone a farther distance. This phenomenon will ultimately decrease the value of the car. Economics, it's a science stronger than Physics.

27. How many meters is a nm (nanometer)?

From Quiz Weights and Measures

Answer: 10^(-9)

10^(-12) is pico, 10^9 is giga and 10^(-15) is femto.

28. How many yards make a furlong?

From Quiz British Measurements

Answer: 220

From the Old English words for "furrow" and "long": it is historically the length of a furrow. It survives mainly in horse-racing.

29. The Greek scholar Sosigenes conceived what calendar?

From Quiz A Timely Quiz

Answer: Julian

By 46 BC, Julius Caesar had abolished the old Roman calendar, which had drifted too far from the natural seasons. He decided upon a new length of 365 days, six hours, with 67 days added to the current year to bring the months back into order with nature.

30. An important figure in the development of the pH scale was which Danish chemist with a fun name?

From Quiz Scientific Scales

Answer: Søren Sørensen

In 1909 Sørensen developed his scale, which measures the acidity of a solution. At a pH of 7, the acidity is considered neutral. High numbers like 12 and 13 represent a high level of alkalinity, while lower numbers like 2 or 3 represent a high level of acidity.

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