Free Pre-K-12 lesson plans, activities, and resources
We doubt even physicists really understand how time and gravity work. These sites, however, give you a glimpse into it all, appropriate for students.
Like other resources in this library, these sites advance the traditional curriculum by asking meta-questions: Who sets the time on our globe? How was the time set in history? What is global time (rather than a student’s local time)? In other words, students can go beyond the descriptive to the analytical.
This video looks at some of the world's strangest time zones, including: China, Kiribati, Nepal, Australia and more. learn more
Thomas Kitching, a cosmologist and astrophysics lecturer, looks at questions like: Does time have a beginning? Time's arrow? Will time end? Written in non-technical language, this post gives… learn more
Strangely, although we feel as if we sweep through time on the knife-edge between the fixed past and the open future, that edge – the present – appears… learn more
A demonstration of gravity, featuring the "Spacetime Stretcher," built mostly out of materials from the garage and hardware store. Click on the YouTube logo to view the About… learn more
There are a number of videos helping kids learn to tell time. This is one of our favorites. learn more
This site provides an overview of Time Zones, what are they and why we have so many of them. Who knew the International Date Line created 3 extra… learn more
This on-line essay on the history of timekeeping was conceived and written by Kent Higgins and illustrated by Darwin Miner, of the Program Information Office of the National… learn more
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