1. Chapter 2 – Mapping Our World

2. Latitude
Latitude is the distance in degrees north or south of the equator
The equator is number 0 degrees and the poles are 90 degrees
Locations north of the equator are labeled degrees north latitude and those south are labeled south degree latitudes
Latitude is about 111 km apart

3. Longitude
Longitude is the distance in degrees east or west of the prime meridian
The prime meridian is 0 degrees longitude and the rest are numbered from east or west

4. Time Zones
Earth is divided into 24 zones because it takes the Earth 24 hours to rotate once
Each time zone is approximately 15 degrees wide
There is an International Date Line where you either lose or gain a day when you cross it