79
Lesson 79 of 84 · Maps and Geography
Time Zones Around the World
Grid coordinate systems teach mapping basics. You describe a location by naming its column and row, much like the game Battleship.
Key Facts
1
Latitude and longitude form a grid.
2
A legend explains map symbols.
3
The equator divides Earth into hemispheres.
Check Your Understanding
Question 1
1 of 2What do latitude lines measure?