TED Talks
Ted: Ted Ed: How Did Trains Standardize Time in the United States?
This animated video explains the relationship between time zones and trains. If you live in the United States, you live in one of the standardized time zones. But these time zones have not always been around. In fact, it's a fairly...
PBS
Pbs Teachers: Time Travel
Use this NOVA instructional activity to discuss the nature of time and the grandfather paradox. Examine time from different perspectives by plotting ages on a timeline, estimating how long a minute is and imagining going back in time to...