Scientific Quest

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Across
  1. 3. Study of living organisms
  2. 5. Group of atoms bonded together
  3. 9. Study of chemical processes in living organisms
  4. 15. Tiny, discrete units of energy
  5. 16. Rate of change of velocity
  6. 19. Process by which plants convert sunlight into energy
  7. 20. Speed in a given direction
  8. 21. Electromagnetic radiation with high energy
  9. 22. Distance light travels in one year
  10. 23. Distance between two consecutive points in a wave
  11. 25. Proposed explanation based on limited evidence
  12. 27. Central part of an atom
  13. 30. Study of celestial objects and the universe
Down
  1. 1. Large system of stars, gas, and dust
  2. 2. Breakdown of a substance into simpler components
  3. 4. Resistance to change in motion
  4. 6. Path followed by a celestial body around another
  5. 7. ENERGY Energy of motion
  6. 8. Study of matter and its properties
  7. 10. Theory of space, time, and gravity
  8. 11. Mathematical statement of equality
  9. 12. Produce a result or give way to an argument
  10. 13. Study of animals and their behavior
  11. 14. Solid material with a regular repeating pattern
  12. 17. All of space, matter, and energy
  13. 18. Push or pull on an object
  14. 24. Well-substantiated explanation based on evidence
  15. 26. SYSTEM Sun and all the objects that orbit it
  16. 28. PROPULSION Thrust generated by jet engines
  17. 29. Genetic material that carries hereditary information