Unit 4 Vocabulary Review: Lessons 3-5

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Across
  1. 5. something made or invented for a particular purpose
  2. 7. a general idea; a thought
  3. 9. a group of things or people who make something work
  4. 10. the act of making or creating something
  5. 12. a load of electricity
  6. 17. a darkening or hiding of the sun by the moon or of the moon by Earth's shadow
  7. 19. a metal conductor installed to divert lightning away from a structure
  8. 21. to develop or devise a system or method
  9. 22. a careful examination and study of something
  10. 25. a large ship powered by steam
  11. 28. a person who uses power in a cruel or unjust way
  12. 29. having a part or parts that turn or rotate
Down
  1. 1. a person who knows a great deal about some special thing
  2. 2. a person who works or specializes in chemistry
  3. 3. a building where machines make raw materials into finished products
  4. 4. relating to a colony; relating to the thirteen British colonies that became the United states of America
  5. 6. the hard, woody, often hollow stem of a specific tropical plant
  6. 8. a prediction about what will happen based on evidence
  7. 10. to keep something from happening
  8. 11. a thing that is made of thought of for the first time
  9. 13. a set of instructions for making or preparing something
  10. 14. a piece of paper issued to a person or company by the government. It gives someone the right to be the only one to make, use, or sell a new invention for a certain number of years.
  11. 15. real; true
  12. 16. method; way of doing things
  13. 18. someone selling goods or services in the same market as another person
  14. 20. a private high school; a school that trains people in a special field or subject
  15. 23. to lie hidden; to move quietly; to sneak
  16. 24. a tall pointed structure on the rooftop of a church
  17. 26. to look closely
  18. 27. a pole that holds sails