Earth Science

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Across
  1. 2. Supercontinent named by Alfred Wegener
  2. 5. This crust is thin, more dense, and mostly made of basalt
  3. 9. two plates colliding into each other (boundary type)
  4. 10. This crust is thick, has a lower density, and is mostly made of granite
  5. 11. Horizontal lines on maps that run East to West are known as what
  6. 12. Bottom most layer of the atmosphere
  7. 13. bands in metamorphic rocks indicating the direction of pressure
  8. 15. these rocks are formed from the accumulation of sediments
Down
  1. 1. The study of earth’s natural systems and how humans and the environment interact
  2. 3. boundary between two air masses
  3. 4. Alfred Wegeners idea that all land masses move and were at one point joined together
  4. 6. Cycle The continuous movement of water through Earth’s natural systems
  5. 7. igneous rocks that form outside of the earth
  6. 8. Contains all living things
  7. 14. Anthropogenic compounds that harmed the ozone by breaking it down and preventing it from reforming