Geography United 1

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 3. A relatively thin sheetlike expanse or region lying over or under another (plural) (6)
  2. 6. The lowest atmospheric layer (11)
  3. 8. A period of the year marked by special events or activities in some field (plural) (7)
  4. 9. The regions of the surface and atmosphere of the Earth where living organisms exist (9)
  5. 11. The quantity of water falling to earth at a specific place within a specified period of time (13)
  6. 12. A transformation in which the coordinate axes are ___ by a fixed angle about the origin (8)
  7. 16. Hard outer layer of the Earth or of bread (5)

Down

  1. 1. A straight line through a body or figure that satisfies certain conditions (4)
  2. 2. The watery layer of the earth's surface (11)
  3. 4. The largest ocean in the world (7)
  4. 5. A drastic and far-reaching change in ways of thinking and behaving (10)
  5. 7. The process of becoming a vapor (11)
  6. 10. The star our planet orbits (3)
  7. 13. Huge body of salt water (plural) (6)
  8. 14. The 2nd largest ocean (8)
  9. 15. The planet we live on (5)