Earth Space Module 1 Vocab

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Across
  1. 3. connects points of equal elevation
  2. 7. shows changes in elevation of Earth’s surface
  3. 8. all the water on Earth, including the water in the air
  4. 10. the study of the interactions of organisms and their surroundings
  5. 12. reference point for longitude that passes through Greenwich, England, and represents 0°
  6. 14. distance in degrees east or west of the prime meridian
  7. 16. the study of the materials that make up Earth, the processes that form and change these materials, and the history of the planet and its life-forms since its origin
  8. 18. the study of the forces and processes that cause the atmosphere to change and produce weather
  9. 19. science of mapmaking
  10. 20. all organisms on Earth as well as the environments in which they live
Down
  1. 1. the ratio between distances on a map and distances on the surface of Earth
  2. 2. the process of gathering data about Earth using instruments mounted on satellites, airplanes, or ships
  3. 4. imaginary line that separates Earth into northern and southern hemispheres
  4. 5. key that explains what symbols represent
  5. 6. a satellite navigation system that allows users to locate their approximate position on Earth
  6. 9. the difference in elevation between two lines
  7. 11. the study of Earth’s oceans
  8. 13. the blanket of gases that surrounds the planet
  9. 14. distance in degrees north or south of the equator
  10. 15. the area from the surface of Earth down to its center
  11. 17. the study of objects beyond Earth’s atmosphere