CROSSWORD PUZZLE

12345678910111213141516171819202122232425
Across
  1. 4. - A unit of energy named after a physicist.
  2. 5. - A celestial body orbiting a star.
  3. 6. - All existing matter and space.
  4. 8. - A fish used in genetics research.
  5. 10. - Science dealing with structures at the molecular level.
  6. 13. - A substance that stimulates immunity.
  7. 14. - A type of car that uses both fuel and electricity.
  8. 18. - The basic unit of matter
  9. 20. - An object in orbit used for communication and research.
  10. 21. - Communication over long distances.
  11. 24. - A tiny organism such as bacteria or viruses.
  12. 25. - Information processed by computers
Down
  1. 1. - Technology that involves modifying living organisms.
  2. 2. - A noble gas used in lighting
  3. 3. - A gas layer that protects Earth from UV radiation.
  4. 7. - The study of machines that can perform human-like tasks.
  5. 9. - A set of step-by-step rules for calculations.
  6. 11. - The study of human-machine interaction.
  7. 12. - A device that emits a highly focused beam of light.
  8. 15. - A field of physics dealing with subatomic particles.
  9. 16. - The distance between two peaks of a wave.
  10. 17. - Remains of ancient plants and animals used as fuel
  11. 19. - The complete set of genes in an organism.
  12. 22. - Power derived from natural sources.
  13. 23. - A nerve cell that transmits signals in the brain.