Movements of the Earth

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Across
  1. 2. We have holidays in January during this season in Argentina
  2. 4. The path that Earth makes around the sun
  3. 5. A year with an extra day
  4. 8. This causes the seasons
  5. 9. It's very cold in this season
Down
  1. 1. One half of the Earth (north or south)
  2. 3. The Earth's orbit around the sun
  3. 6. An imaginary line in the middle of Earth and the moon
  4. 7. The turning of the Earth around its axis