This site is provided for by the University of Hawaii. Students will learn about the purpose of time zones and then use time zone maps to calculate the time and day in a specific area.

How and why did the United States come to have four time zones? Learn about how cities and railroad travel impacted the development of these zones. Includes video (requires RealPlayer).

Do you wake up at the crack of dawn, or do you need an alarm clock to wake you up each morning? It may surprise you that the two are not always in synch. Nowadays, we use Standard Time to set our watches instead of Solar Time. Which...

If you have ever had to adjust to a new time zone, you have noticed that it takes a while before you start to feel normal again. By shifting your sleep and activity schedule, you have altered the pattern of your body's circadian rhythms....

Here you will find the story of how and why time zones came about and the Canadian who developed the system that has become so important around the world. Be sure to read the "Incidents and Anecdotes" section to find interesting facts...

Have you ever been to a tide pool during low tide? Some intertidal animals in the low tide zone are left in a tiny pool of water when the tides go out. Other intertidal animals that live in high tide zones may be left to dry out during...

Assess a lesson plan that revolves around the role of journalists in a democracy, especially considering the challenges and ethics of reporting from a war zone. Should broaden student understanding of Thomas Jefferson's ideal of an...

The 1880's in America were chock full of new architecture, technologies, businesses, modern conveniences such as gas and electric, operas, fashions, and much more as featured in this resource.