The Official U.S. Time
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| Type: | Course Related Materials |
| Grade Level: | Secondary |
Subject: Science and Technology
Institution Name:
Multiple Agencies
Collection Name: free.ed.gov
Abstract: Features an actual clock, accurate to 0.3 seconds depending on your Internet connection, that will display on your screen. There are three high-school level exhibits about time: A Walk through Time, Calendars through the Ages, and The Quartz Watch. Learn that the first quartz clock goes back to 1927!
Details
Course Type: Learning Module
Conditions of Use: Custom License
Items are free to use for educational purposes only. Some materials may be in the Public Domain.
