Unit 5: Science & Technology Vocabulary Crossword

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Across
  1. 3. to completely change something, usually in a positive way.
  2. 4. to make a guess about the amount, size, or value of something based on information you have.
  3. 6. all human beings; the human race.
  4. 7. to move forward or make progress in something.
  5. 9. the act of finding or learning something new.
  6. 10. to develop or change slowly over time.
  7. 12. to take the place of something or someone.
  8. 13. to move or change from one position, idea, or situation to another.
  9. 14. to start or introduce something new, such as a product or project.
Down
  1. 1. to give or add something (such as time, money, or effort) to help a group or cause.
  2. 2. a new idea, method, or invention that improves something.
  3. 5. the careful study of something to understand it better or find important details.
  4. 7. to change something slightly so that it works better or fits a situation.
  5. 8. to make a small change to something.
  6. 11. an important discovery or development that improves a situation or helps solve a problem.