Earth Science Exam Review 3

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Across
  1. 3. these are powered by energy from Earth's interior
  2. 5. this bestshows differences in elevation
  3. 6. this is an advantage of solar energy
  4. 8. this gas is most important for understanding the processes that take place in our atmosphere
  5. 10. this greenhouse gas helps to maintain warmth near the Earth's surface
  6. 14. we say Earth is a system because all of its parts ______.
  7. 15. this is the level of the atmosphere where ozone is concentrated
  8. 17. an environmental hazard caused by humans
  9. 19. this is when our atmosphere is heated by the sun
  10. 21. this shows accurate directions but has distorted sizes and distances
  11. 22. this shields Earth from harmful rays
Down
  1. 1. elements that make up our solar system
  2. 2. the asthenosphere and lithosphere are parts of Earth's this.
  3. 4. An example of a renewable resource
  4. 7. fuel for nuclear fission in nuclear reactor
  5. 9. this is an energy source that might replace dwindling petroleum supplies
  6. 11. this is how close air is to saturation
  7. 12. This can be replenished over months, years, or decades
  8. 13. this is produced by falling water that turns a turbine
  9. 16. this causes the warmest air in the room to rise to the ceiling
  10. 18. this is the average kinetic energy of the atoms
  11. 20. on a topographic map, this is the elevation with contour lines very far apart