Do you know the history of measuring time? Take the history of measuring time quiz!
Since prehistoric times, humans have tried to track the passage of time and use that measurement to guide their lives. How much do you know about the history of time-keeping? Test your knowledge with this quiz.start quiz
Question 2 of 11
Which of these peoples may have been the earliest to track time using celestial measures?
... Ice Age hunters in Europe made marks on bone that may have been an effort to keep track of time.
Question 3 of 11
Upon what celestial body's movement did the Egyptians base the first 365-day calendar?
... The Egyptians noticed that Sirius, the "Dog star," rose next to the sun every 365 days, and used that to delineate the year.
Question 4 of 11
Into how many units did the ancient Sumerians divide each day?
... The ancient Sumerians, who lived in what is now Iraq, divided the day into 12 units, each the equivalent of two hours.
Question 5 of 11
What was the first device used to track the passage of time during the day?
... Stone obelisks, which cast moving shadows according to the position of the sun in the sky, were the first device used to track the passage of time during the day.
Question 6 of 11
Which ancient non-celestial timekeeping device was still used in the 20th Century?
... Clocks that used dripping water to mark the hours were still used in some parts of Africa into the 20th Century.
Question 7 of 11
In addition to hours, what did the ancient Macedonian Horologion also measure?
... In addition to hours, the first century B.C. Macedonian Horologion also had indicators for eight different winds.
Question 8 of 11
The clock tower built by Chinese inventor Su Sung in 1088 had which novel feature?
... The clock tower built by Chinese inventor Su Sung in 1088 had mannequins that rang bells and gongs and held signs to indicate the time of day.
Question 9 of 11
Where was the spring-powered timepiece invented?
... German inventor Peter Henlein invented the spring-powered timepiece in the early 1500s.
Question 10 of 11
How much did adjusting the pendulum clock for temperature variations improve its accuracy?
... In 1721, George Graham improved the pendulum clock's accuracy to one second per day by compensating for changes in the pendulum's length due to temperature variations.
Question 11 of 11
What does a modern quartz clock use to measure the passage of time?
... A modern quartz clock uses a uniform frequency from an electrical signal, which is generated by bending quartz and subjecting it to an electrical field.
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