How Do Clocks Detect Leap Seconds?
0:29
Grades: 3 - 5

Video Description: An expert describes how atomic clocks are the only ones which can detect leap seconds.

Type of Video: Segment*
Unique Video ID: Time-5**

Quick Ideas for Using the Video:

    • Have students research leap seconds and leap years and then write a summary comparing and contrasting these events.

     

*Segment videos are short excerpts edited from interviews or interactive programs that offer flexible and differentiated ways to use the rich content included in the full-length conversation.

**The unique Video ID can be used to quickly locate a single video in the ET collection. This search function is designed to let teachers assign students to watch a specific video and have only that video appear as a search result. Just click on Search and choose “By Video ID.” Then type in the Video ID as it appears above. Be sure to include the dash.

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