Spring Crossword

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Across
  1. 3. a small but polarizing insect
  2. 4. water from clouds
  3. 6. thin ice
  4. 7. flowers on trees
  5. 8. opposite of chilly
  6. 10. mammalian mascot of Easter
Down
  1. 1. changing from solid to liquid
  2. 2. a flower growing without humans
  3. 5. not a rush or a sedge, but a _
  4. 9. an invisible classical element