LS UNIT 7 LESSON B

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Across
  1. 2. as much as possible,100%
  2. 6. essential
  3. 7. a room or building housing an astronomical telescope
  4. 10. is a curved piece of glass or plastic used in cameras,telescopes
  5. 11. learned about become aware of something
  6. 13. to send back from a surface
  7. 14. part of a group
Down
  1. 1. to look at or see something
  2. 3. to watch carefully in order to learn something new
  3. 4. a domed building in which images of stars, planets, and constellations
  4. 5. an optical instrument designed to make distant objects appear nearer
  5. 8. how large or small something is
  6. 9. thought of and made something new
  7. 12. arrive at a place