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