Across
- 4. The curving pattern of wind and ocean currents caused by Earth's rotation is called the _____ effect
- 7. A warm ocean current that flows off the west coast of South America every few years, changing weather patterns around the world and causing extreme weather in some regions
- 9. A wall of water that is pushed ashore by a storm is called a storm _____
- 15. A community of all the living things in an area and the environment in which they live
- 18. A(n) _____ island is formed by tiny sea creatures and is flat and sandy
- 19. Type of farming carried out mainly to provide food for farm families, with little surplus for sale to others
- 20. Using resources in ways that meet the needs of people today without hurting the ability of future generations to meet their own needs is called _____ development
- 22. Type of farming that involves raising crops for sale, often on large farms
- 23. The scientific study of climate and weather patterns
- 25. Great destruction or loss of life caused by natural forces rather than by human actions is called a natural _____
Down
- 1. A tropical _____ is a severe storm with high winds that spiral around a calm center
- 2. A tropical _____ is a broadleaf evergreen forest found in wet and hot regions near the equator
- 3. A bowl-shaped depression, or hollow, in Earth's surface
- 5. A volcanic island is formed when an underwater volcano builds up enough _____ and ash to rise above sea level
- 6. The replanting of trees in a formerly forested area by people or by nature
- 8. A narrow strip of land that links two larger landmasses
- 10. Severe or unusual weather conditions, such as hurricanes, tornadoes, or blizzards, are examples of _____ weather
- 11. Removing or clearing away the trees from a forest, usually to clear land for farming or ranching
- 12. The swapping of plants, animals, and diseases between Europe and the Americas is called the _____ Exchange
- 13. The process by which carbon and oxygen cycle among plants, people and animals, and the environment is called the carbon-oxygen _____
- 14. The name for a tropical cyclone that begins in the Atlantic Ocean
- 16. A(n) _____ forest is a type of high-altitude, tropical forest that is usually covered by clouds or mist
- 17. The variety of plants and animals living in one area, or on Earth
- 21. Form of tourism that brings people to unique ecosystems while trying to avoid damage to these special places
- 24. A long, narrow stretch of land that is surrounded by water on three sides
