US Regions

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Across
  1. 1. well known National park in Arizona
  2. 4. material found in nature that people use to meet their needs and wants
  3. 6. separates the watersheds that drain into the Pacific Ocean from those river systems that drain into the Atlantic and Arctic Ocean,
  4. 8. to give assistence or help to
  5. 10. a large area of land with common features
  6. 11. the ways a country or state's people use natural resources, money, and knowledge to produce goods and services
  7. 12. a fuel such as oil, natural gas or coal that is formed from the remains of prehistoric plants and animals
  8. 14. the study of rocks and minerals
  9. 15. a material found in nature that cannot be replaced, such as coal, oil or natural gas
  10. 18. the mositure that falls to Earth as rain or snow
  11. 19. a series of large interconnected bodies of freshwater between the US and Canada
  12. 22. a broad expanse of flatland in North America next to the Rockies
  13. 25. moist
  14. 27. 450 mile area of flat land in California known for the raising of crops
  15. 28. dry
  16. 31. largest mountain system in North America
  17. 35. to save discarded items, like cans or bottles, so that they can be used again
  18. 36. an imaginary line that divides Earth in to the Northern and Southern hemispheres
  19. 37. precipitation containing harmful chemical pollution that can destroy trees and wildlife and poison water
Down
  1. 2. mountain range in eastern to northeastern North America
  2. 3. all the surroundings in which people, plants and animals live
  3. 5. anything that dirties the air soil or water
  4. 7. the protection and careful use of natural resources
  5. 9. second-longest river in the United States flowing from Minnesota, to the Gulf of Mexico
  6. 13. a substance found in the Earth that is neither plant nor animal
  7. 16. a material that can be found in nature that can be replaced such as forests
  8. 17. the study of the Earth
  9. 20. an imaginary line, or meridian, measuring distance east or west of the prime meridian
  10. 21. a shape on the Earth's surface
  11. 23. the study of plants
  12. 24. large river in North America connecting the Great Lakes to the Atlantic Ocean
  13. 26. the weather an area has over a number of years
  14. 29. the study of living things
  15. 30. an imaginary line, or parallel, measuring distance north or south of the equator
  16. 32. mountains between California and Nevada
  17. 33. the study of Earth's weather and climates
  18. 34. a measure of heat and cold