Puzzle Nature

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Across
  1. 1. They have wings and fly in the sky (5)
  2. 5. The opposite of "day" (5)
  3. 7. It falls from the sky and makes things wet (4)
  4. 8. Can look white and fluffy, found in the sky (5)
Down
  1. 2. A large body of flowing water (5)
  2. 3. A bright star that gives us light (3)
  3. 4. Something you sit on in a park (5)
  4. 6. It is big, tall, and has leaves (4)