Do Certain Metals Help Clocks Work Better Than Other Metals?
0:58
Grades: 3 - 5
Video Description: A clock and watch repairman explains which metals are most effective for use in a clock or watch.
Type of Video: Segment*
Unique Video ID: Time-8**
Quick Ideas for Using the Video:
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- To check viewing comprehension, have students explain what the term a “coefficient of expansion” means in their own words.
*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.
