PBS
Pbs Learning Media: An Egyptian Clock
The CyberSquad must construct a clock of sorts in order to keep track of the amount of time they have to rescue Dr. Marbles in this video segment from Cyberchase.
PBS
Pbs Learning Media: A World Tour of Clocks
In this video segment from Cyberchase, learn about the workings of a variety of timekeepers.
Story Behind the Science
Story Behind the Science: Pendulum Motion [Pdf]
The history of the pendulum and its importance both in timekeeping, and in how timekeeping was used to solve other problems, such as determining longitude on a map.
TryEngineering
Try Engineering: Pendulum Time
Working in teams, students build their own pendulum clock using everyday materials. They conduct research, design, build, test it, and share observations with the class, while learning how pendulums operate and have been used to measure...
National Institute of Standards and Technology (NIST)
Nist Physics Laboratory: A Walk Through Time
An illustrated history of timekeeping from ancient times to the present. Includes information on ancient calendars, early clocks, a revolution in timekeeping, world time scales and time zones, and the NIST standards.
TeachEngineering
Teach Engineering: Swinging With Style
Students experientially learn about the characteristics of a simple physics phenomenon - the pendulum - by riding on playground swings. They use pendulum terms and a timer to experiment with swing variables. They extend their knowledge...
Famous Scientists
Famous Scientists: Christiaan Huygens
Learn about prominent Dutch mathematician and scientist, Christiaan Huygens, whose work included early telescopic studies of the rings of Saturn and the discovery of its moon Titan, the invention of the pendulum clock, and other...