Lesson 25

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. A photograph made with a ___ lens (9)
  2. 7. A person trained to travel in a spacecraft (9)
  3. 9. A straight line connecting the center of a circle with two points on its perimeter (8)
  4. 11. A privileged class holding hereditary titles (11)
  5. 13. Myths collectively (9)
  6. 14. The boundary line or the area immediately inside the boundary (9)
  7. 15. Two words that can be interchanged in a context are said to be ___ relative to that context (7)
  8. 16. A graphic symbol consisting of 2 or more letters combined (8)

Down

  1. 1. Government in which people vote for their leaders (9)
  2. 3. A drawing intended to explain how something works (7)
  3. 4. A representation of a person or scene in the form of a print or transparent slide or in digital (10)
  4. 5. A message transmitted by ___ (8)
  5. 6. An optical instrument that provides a view of an otherwise obstructed field (9)
  6. 8. Measuring instrument for measuring temperature (11)
  7. 10. The environment as it relates to living organisms (7)
  8. 12. Characteristic life processes and phenomena of living organisms (7)