Changing Earth Lessons 1-4 Vocabulary

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Across
  1. 2. vertical distance between a peak and trough.
  2. 5. repeating and periodic disturbance that travels through a substance from on location to another.
  3. 7. The shaking or trembling of Earth caused by sudden movement.
  4. 10. gas and/or lava are released from a volcano—sometimes explosively.
  5. 13. Information that can be used to support explanations.
  6. 14. a source of danger
  7. 15. concluding statement that is used to explain a cause and effect relationship.
  8. 16. mountains or chains of mountains rising from the ocean floor.
  9. 18. Very long depressions that are the deepest parts of the ocean floor
  10. 19. low point of the wave.
  11. 20. high point of the wave.
Down
  1. 1. Major areas of land on Earth
  2. 3. A body of salt water that covers three-quarters of the Earth’s surface.
  3. 4. Rapid movement of rock and soil down a slope
  4. 6. a series of mountains or hills arranged in a line and connected by high ground
  5. 8. the result of a cause
  6. 9. Everything you see when you look around an area such as hills, rivers, buildings and plants
  7. 11. the space between two identical parts of a wave.
  8. 12. Three dimensional model of the Earth.
  9. 17. a large wave that results in flooding on the coastline