Videos

Latitude and Longitude A brief synopsis of latitude and longitude and how they are used to accurately describe locations on the surface of the earth. media type="youtube" key="swKBi6hHHMA?fs=1" height="385" width="480"

 Time Zones & How They Work media type="youtube" key="widWLhIIbzs?fs=1" height="385" width="480" Real World: Longitude and Time Zones

What determines how long a second, minute, or hour lasts? Learn about the development of the units of time and how they depend on the rotation of Earth on its axis. Learn how time zones are related to lines of longitude.

media type="youtube" key="kDWHM00sZJc?fs=1" height="385" width="640" Map and Compass Basics: Understanding Map Scale This video explains how to use a map scale fraction, a scale on a baseplate compass, and a scale bar to determine ground distance from a map media type="youtube" key="jC1w2jb13GQ?fs=1" height="385" width="480"