North & South America

4. The map that shows man-made features such as country borders and nature reserves
7. A person with no permanent home who moves according to the seasons from place to place in search of food, water, and grazing land
8. Permanently frozen ground
9. The mountains located in eastern United States
13. The province in Canada that primarily speaks English
15. The major mountain chain in South America
16. A government run by a few persons or a small group
18. Lines that run parallel to the equator, and are used to locate places north or south
19. A popular method to clear rainforest for farming in South America
20. Physical and chemical processes that change the characteristics of rock on or near the earth's surface
22. Indigenous people who created the largest civilization in the South American mountains
23. Indigenous people who lived and thrived in Central America

1. Indigenous people who controlled what is Mexico and were conquered by the Spanish
2. The condition of the atmosphere at a particular location and time
3. The movement of plants, animals, and diseases between the Eastern and Western hemispheres
5. The province in Canada that primarily speaks French
6. The name of the longest river in South America
10. Lines that run over the earth, dividing east and west hemispheres
11. The major North American river that empties into the Gulf of Mexico
12. People of mixed native and Spanish blood
14. The imaginary line that encircles the globe, dividing the earth into northern and southern halves
17. The region of the United States which is characterized by industrial factories and original settlements of the New World
21. The type of tectonic plate movement that is characterized by "sliding"; earthquakes