Crossword Puzzle

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Across
  1. 4. Consists of all bodies of water
  2. 6. boundary that collides
  3. 7. Consists of all Ice, snow, glaciers, ice caps
  4. 8. boundary that separates
  5. 9. The transfer of heat through waves
  6. 10. The innermost and hottest layer of the Earth
  7. 12. Consists of all air and gases
  8. 13. When hot air rises and cold air sinks
Down
  1. 1. boundary where plates slide past each other
  2. 2. Consists of all life on Earth
  3. 3. Consists of all rocks and minerals
  4. 5. The thinnest layer of Earth
  5. 7. The transfer of heat between two objects
  6. 11. The thickest layer of the Earth where magma is formed