Ancient Greek Time Measurement Quiz

What is the ancient Greek timekeeping device called?

• Pendulum Clock

• Hourglass

• Water Clock

• Sundial

Who is credited with the invention of the hydraulic organ and the most accurate water clock for over 2,000 years?

• Hipparchus

• Plato

• Ctesibius

• Ptolemy

What did Plato invent to wake people up and get them to their lectures on time?

• Sundial

• Alarm Clock

• Hourglass

• Water Clock

What did Ctesibius add to the water clock to make it operate continually without needing to be emptied?

• Sundial

• Pendulum

• Siphon

• Hydraulic Organ

What did Ptolemy create that dealt with the problem of mapping figures from the celestial sphere onto a plane?

• Astrolabe

• Sundial

• Pendulum Clock

• Water Clock

Who supervised the construction of the Tower of the Winds in Athens, which functioned as a large timepiece?

• Ptolemy

• Andronicus of Cyrrhus

• Plato

• Ctesibius

What is the Tower of the Winds also known as, due to its combination of sundials, water clock, and wind vane?

• Horologion

• Chronos

• Meteoros

• Aerides

What did the ancient Greeks divide the daylight hours into, leading to the need for a reliable clock?

• 12 hours

• 14 hours

• 10 hours

• 16 hours

What did Ctesibius create to trace the hour lines on a pole, which would be nearer or farther apart depending on the time of the year?

• Waterwheel

• Pendulum

• Sundial

• Astrolabe

What did Theon of Alexandria write a detailed treatise on, which is believed to have been used by Ptolemy for astronomical observations?

• Pendulum Clock

• Water Clock

• Sundial

• Astrolabe