STAGE TWO SCIENCE

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Across
  1. 2. there are 24 of these in one day
  2. 3. 12 o'clock in the middle of the day
  3. 4. the opposite to daytime
  4. 6. the sun makes these during the day
  5. 8. the opposite to southern
  6. 9. the earth rotates on this
  7. 11. summer is one of these
  8. 13. the main gas on earth
  9. 14. an imaginary line around the middle of the earth
  10. 15. the sun is the largest of these
  11. 17. the opposite to west
Down
  1. 1. it takes the earth 365 of these to orbit the sun
  2. 2. one half of the earth
  3. 5. the main gas on the sun
  4. 7. 12 o'clock at night time
  5. 10. the earth is one of these
  6. 11. heats and lights the earth
  7. 12. you can see one of these in the night sky
  8. 13. to travel around another object
  9. 16. what the sun is made of