Vocabulary Unit 4 Lesson 1: Edison, Carver, Cousteau

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Across
  1. 5. burnt
  2. 7. give rise to, lead to
  3. 8. brightness
  4. 11. an instrument showing the time with the shadow of a pointer cast by the sun onto a plate marked with the hours of the day
  5. 13. detailed, complicated
  6. 16. animal skin prepared for use as a writing surface
  7. 17. systems formed by the interaction of communities of organisms with their environments
  8. 18. a machine that transmitted and received messages across great distances using electrical signals and wires. Messages were transmitted in codes that had to be received and translated by specially trained operators.
  9. 19. change from a liquid state into a vapor
Down
  1. 1. to work at something
  2. 2. Channel a body of water separating England and France
  3. 3. a weighted, swinging lever that regulates the speed of a clock
  4. 4. medicines to make people immune to diseases
  5. 6. not bright
  6. 9. a set of equipment used to generate and transmit electromagnetic waves carrying messages or signals, especially those of radio or television
  7. 10. disadvantages, problems
  8. 12. a thin disk or piece of material that vibrates when producing or receiving sound waves
  9. 13. far away from other places, buildings, or people; remote
  10. 14. in flight
  11. 15. qualities or abilities that may be developed and lead to future success