Earth Changes Over Time Crossword

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Across
  1. 10. Large areas of slow moving ice
  2. 12. deals with descriptions that cannot be expressed in numbers
  3. 13. Chronological collection of life's remains in sedimentary rock layers
  4. 14. The preserved remains or traces of organisms that once lived on Earth.
  5. 15. A technique used to determine which of two fossils is older
  6. 17. Sections of the Earth's crust that move due to convection currents.
  7. 19. The boundary between tectonic plates that are sliding past each other horizontally
  8. 20. any method of measuring the age of an event or object in years
Down
  1. 1. A record of the geologic events and life forms in Earth's history.
  2. 2. Found in Peace River, evidence that Florida was once under ocean water.
  3. 3. An observation that deals with a number or amount
  4. 4. A tectonic plate boundary where two plates collide, come together, or crash into each other.
  5. 5. The top rock layer and its fossils is the youngest and the bottom is the oldest.
  6. 6. A type of fossil that is an imprint from organisms without hard parts
  7. 7. a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.
  8. 8. The breaking down of rocks and other materials on the Earth's surface.
  9. 9. Processes by which rock, sand, and soil are broken down and carried away (i.e. weathering, glaciation)
  10. 11. A plate boundary where two plates move away from each other.
  11. 16. Process in which sediment is laid down in new locations.
  12. 18. openings in Earth's crust from which molten rock, dust, ash, and hot gases flow or erupt