Summer Fun!

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Across
  1. 2. Watermelon is a _
  2. 4. The last day of summer is the 20th of _
  3. 5. The first day of summer is in this month
  4. 6. A special type of firefly lights up _ instead of white
  5. 7. The world's largest inflatable pool toy was a 70-foot tall _
  6. 11. The "dog days of summer" are named after this dog star
  7. 12. There are more than 300 varieties of this summer treat
Down
  1. 1. An 11 year old boy invented these by accident in 1905
  2. 3. More of these occur in the summer than any other time of the year
  3. 5. This month is national ice cream month
  4. 8. The longest day of the year is the summer _
  5. 9. The first modern Olympic Games were held in the summer in 1896 in Athens _
  6. 10. The month of June is named after this Roman goddess