Science Day and Night

Edit Answers
123456789101112131415161718
Across
  1. 1. When the earth faces the sun
  2. 3. allows Earth to cool as heat radiates back into space
  3. 7. Humans connect to the day/night cycle through light with their internal biological
  4. 8. 365.25 days is one
  5. 9. The Sun looks like it rises in the
  6. 10. The 1/4th part of the day is why we add an extra day every four years. What is the name of this special year?
  7. 12. To circle the Sun it takes the Earth about 365 1/4
  8. 15. because Earth is
  9. 17. to regulate sleep, eating, and behavior animals use day and night cycles called circadian
  10. 18. The Sun looks like it sets in the
Down
  1. 2. It takes the Earth 24 hours to rotate on its
  2. 4. Artificial light at night can disrupt
  3. 5. at night it is
  4. 6. in the day it is
  5. 11. days are shorter and nights are longer
  6. 13. Day and night are caused by Earth’s rotation on its
  7. 14. At the North Pole and South Pole sometimes the days and nights last for
  8. 15. days are usually longer and nights are shorter
  9. 16. When it faces away from the sun