1. maps
   1. Google Earth
   2. reading a map
   3. GPS
2. continents
   1. Africa
   2. Antarctica
   3. Australia
   4. Asia
   5. Europe
   6. North America
   7. South America
3. bodies of water
   1. ocean
   2. lakes
   3. rivers
   4. streams
   5. ponds
4. Weather
   1. rain
   2. sun
   3. hurricanes
   4. tornadoes
   5. cyclones
   6. tsunami
   7. floods
   8. clouds
   9. air pressure
   10. snow
5. themes
   1. Location
   2. Place
   3. Movement
   4. Human Environment Interaction
   5. Regions
6. Human Influence
   1. culture
   2. population
   3. economy
   4. resources
7. physical makeup
   1. mountains
   2. plains
   3. deserts
   4. tropics
   5. islands
8. current events
   1. Eygpt
   2. snow
   3. cyclones
   4. trade