$3.00

Item description

Share this Instructional Time Zones PowerPoint with your class. It looks a Time Zones and Time Zones Maps as well as historically when the current time zones system came into effect. It also looks at longitude, the Prime Meridian, International Date Line and how some time zone lines are sometimes crooked or adjusted to take political boundaries into account. It also devotes a couple of slides where students measure the time difference between different places on earth.