Across
- 3. power electricity that is generated from the power of moving water
- 6. fuel any fuel, such as petroleum, coal, and natural gas, that is made from the remains of prehistoric plants and animals
- 8. a graph that shows the average temperature and precipitation in a place over a year
- 11. the height of the land above sea level
- 12. the planting, growing, and harvesting of trees
- 14. resource a useful material that is found in nature, such as water, wood, coal, or oil
- 16. moisture that falls from the sky as rain, snow, sleet, or hail
- 19. continental a climate or climate zone with warm, rainy summers and cool, snowy winters
- 20. activity any action that relates to the making, buying, and selling of goods and services
- 22. use the ways in which people use a particular area of Earth's surface; for example, for farming, development, or preservation.
- 23. any natural feature of Earth’s surface that has a distinct shape. Landforms include major features such as continents, plains, plateaus, and mountain ranges. They also include minor features such as hills, valleys, canyons, and dunes.
- 24. the pattern of weather over a long period of time
Down
- 1. density the average number of people who live in a unit of area, such as a square mile. Population density measures how crowded an area is.
- 2. zone a large area of Earth with a certain mix of plants and trees that are adapted to similar conditions
- 4. rainfall to support much plant life; also a vegetation zone
- 5. a large inlet of the sea that cuts deeply into the land
- 7. a raised area of land, such as a hill or mountain, with a flat top
- 9. a large farm, especially in a hot area
- 10. all the plants and trees in an area
- 13. dry or lacking rainfall; also a climate or climate zone that is hot and dry all year with very little rain
- 15. an area defined by one or more natural or cultural characteristics that set it apart from other areas
- 17. feature any natural characteristic of Earth’s surface, such as landforms and bodies of water
- 18. map a map that shows a particular theme, or topic
- 21. zone a large area of Earth with a particular pattern of weather
