Strange Energy

123456789101112
Across
  1. 3. gathered
  2. 4. waterfall
  3. 8. not natural
  4. 9. returned to what it was before
  5. 11. affected by the tide
  6. 12. floated through air
Down
  1. 1. wavering, on the brink
  2. 2. hardly
  3. 5. tired
  4. 6. passed through
  5. 7. persuaded
  6. 10. fierce