Earth's Atmosphere/Weathering & Erosion/Scientific Method

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Across
  1. 2. the mechanical and chemical processes that change the Earth's surface over time
  2. 5. the measurable data that we collect in an experiment
  3. 8. the closest layer to the Earth (where weather occurs)
  4. 9. the laying down or settling of eroded materials
  5. 12. the metric unit of measurement for distance
  6. 13. a thin layer within the stratosphere that protects Earth from harmful ultraviolet radiation
  7. 14. rock material that forms when rocks are broken down into smaller pieces or dissolved in water as rock erodes
  8. 15. the moving of weathered material, or sediment, from one location to another
Down
  1. 1. this is the coldest layer of the atmosphere, however, it is where meteors burn up
  2. 3. the metric unit of measurement for weight
  3. 4. the name of our class pet
  4. 6. an educated guess (If..., then..., because...)
  5. 7. a thin layer of gases surrounding the Earth
  6. 10. the most abundant gas in the atmosphere
  7. 11. the one variable in an experiment that is different or that you change