Physics Vocab

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Across
  1. 4. emission of a beta particle
  2. 5. rapidity in moving, going, traveling
  3. 6. fixed in luminous point in the night sky
  4. 8. downward movement under the force of gravity
  5. 10. occurs when the speed of an object changes at a constant rate
  6. 13. emission of an alpha particle
  7. 14. educated guess
  8. 15. value depends on another
  9. 20. any method determining the age of earth materials
  10. 22. age of rock formation given relative to other rocks or formation
  11. 23. rapidity of motion
  12. 24. joining two or more things together
  13. 25. small very dense star typically size of a planet
Down
  1. 1. sequence of rocks in layers of
  2. 2. very dense object in space
  3. 3. method of procedure that has characterized natural science
  4. 7. geologic age of a fossil
  5. 9. doesn't depend on another variable
  6. 11. rate of change of velocity
  7. 12. become decomposed
  8. 16. extremely compact ball of neutrons
  9. 17. four dimensional coordinate system, first coordinate is understood as a time coordinate, other three spatial dimensions
  10. 18. speed that doesn't change
  11. 19. theory that the universe began with an explosion
  12. 21. numerical factor used to multiply or divide when converting from one system to another