science and technology

1234567891011121314151617181920
Across
  1. 3. system of knowledge about patterns in the development of nat
  2. 4. device for flying in the atmosphere of the Earth
  3. 8. universe
  4. 9. the person who invented the phone
  5. 10. wildlife science
  6. 12. science of celestial bodies
  7. 15. procedure performed by refuting a hypothesis or theory
  8. 19. animal science
  9. 20. jet engine
Down
  1. 1. science of the properties and structure of matter
  2. 2. the way
  3. 5. invented subject
  4. 6. combustible substance
  5. 7. science of the structure and composition of the Earth bark
  6. 11. apparatus used to perform special tasks in outer space
  7. 13. set of processes for processing materials
  8. 14. substance science
  9. 16. mechanism doing any work
  10. 17. meteorological instrument
  11. 18. plant science