Earth Puzzle

1234567891011121314151617181920
Across
  1. 1. produced by the radioactive decay of the nuclei of another isotope
  2. 5. the mostly-solid bulk of Earth's interior
  3. 6. There are 2 types of "Crust" Continental and...
  4. 10. waves that travel through or over Earth
  5. 11. the rigid outer part of the earth, consisting of the crust and upper mantle.
  6. 13. the Isotope that undergoes decay to form a daughter isotope.
  7. 14. places where plates slide sideways past each other
  8. 15. a fluid layer composed of mostly iron and nickel that is above Earth's solid inner core
  9. 17. when 2 plates come together
  10. 19. a neutrino emitted in decay of radionuclide naturally occurring in the Earth
  11. 20. a solid piece of debris from an object
Down
  1. 2. calculates an age for geologic materials by measuring the amuont of a short-life radioactive element
  2. 3. pieces of Earth's crust and uppermost mantle
  3. 4. the region of the earth's atmosphere above the stratosphere and below the thermosphere
  4. 7. the emission of energy in the form of ionizing radiation
  5. 8. the upper layer of the earth's mantle, below the lithosphere
  6. 9. a current in a fluid that results from convection.
  7. 12. the fourth layer inside the Earth
  8. 16. when two tectonic plates move away from each other
  9. 18. There are 2 types of "Crust" Oceanic and...