Chapter 1

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Across
  1. 5. Basin- the land drained by a river system.
  2. 7. the largest inlets are called gulfs. Ex: The largest gulf bordering the United States in the Gulf of Mexico.
  3. 8. is an area of flat or rolling land covered mostly by grasses. Ex: The Central Plains are known for their prairies.
  4. 9. Line- is a place where the land drops sharply, causing rivers to form waterfalls or rapids.
  5. 11. using less energy to do the same tasks.
  6. 12. landmasses. Ex: From largest to the smallest is: Asia, Africa, North America, South America, Antarctica, Europe, and Australia.
  7. 14. the gradual wearing away of Earth’s surface. Ex: The Appalachian Mountains are older therefore a lot of erosion has occurred.
  8. 15. next to each other. Ex: It is more than 2,000 miles from the 48 contiguous states.
  9. 17. is the height of the land in relation to sea level.
  10. 19. the surroundings in which people, plants, and animals live. Ex: The environment in the Northeast differs from the Midwest.
  11. 20. a stream or river that flows into a larger stream or river.
  12. 24. System- is both a river and its tributaries. Ex: A river system drains, or carries water away from, the land around it.
  13. 25. the number of people. Ex: In population, the United States is the largest country.
  14. 26. is the kind of weather a place has over a long time.
  15. 27. a period of 100 years.
  16. 30. Range- a group of connected mountains. Ex: The mountain range runs from Canada to Central Alabama.
Down
  1. 1. Resources- are resources that can be made again by people or nature.
  2. 2. Use- how the land is used.
  3. 3. is the use of canals, ditches, or pipes to move water.
  4. 4. dry. Ex: The desert is an arid
  5. 6. runs east to west and measured in degrees north and south.
  6. 10. runs north and south and measured in degrees east and west.
  7. 13. Resources- are resources that cannot be made again by people or resources that would take thousands of years for nature to replace.
  8. 16. is a period of ten years.
  9. 18. Resources- something found in nature that people can use.
  10. 21. an area in which many features are similar. Ex: The five regions of the United States are the West, the Southwest, the Midwest, the Southeast, and the Northeast.
  11. 22. to change. Ex: They modify the land so that they are able to live on it and meet their needs.
  12. 23. a period of 1000 years.
  13. 28. is a long inlet that separates offshore islands from the mainland.
  14. 29. is any area of water extending into the land from a larger body of water.