Nature and season

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Across
  1. 3. A small, brightly colored bird known for its singing.
  2. 5. The time when leaves change color and fall off the trees.
  3. 7. The process by which plants make their own food using sunlight.
  4. 10. The season when flowers bloom and birds build nests.
  5. 11. These fall from trees in autumn.
  6. 12. The bright, shining object that rises in the east and sets in the west.
Down
  1. 1. A colorful insect that flies and pollinates flowers.
  2. 2. A large body of water that covers most of the Earth's surface.
  3. 4. The white, fluffy stuff that falls from the sky in winter.
  4. 6. A furry animal that hibernates in the winter.
  5. 8. The hottest season of the year.
  6. 9. A tall plant with a trunk and branches that bears leaves.