Unknown Words

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Across
  1. 3. pulls things down to the earth
  2. 6. cold and warm air, makes hair frizzy
  3. 8. more than one path
  4. 10. speed of something in a given direction
  5. 11. prefix, for middle (cloud)
  6. 12. big puffy clouds often seen in storms
Down
  1. 1. only one path
  2. 2. sexual reproduction
  3. 4. evaporation from plants
  4. 5. lifting machine using small & large wheels
  5. 7. thin wispy cloud
  6. 9. body of air