Week 8 Crossword Puzzle

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Across
  1. 4. half
  2. 6. one
  3. 7. five
  4. 10. a period of 24 hours, reckoned from 1 midnight to the next, corresponding to 1 rotation of the Earth on its axis.
  5. 11. the time it takes the Earth to make one revolution around the sun.
  6. 12. something small or less powerful that orbits around something bigger.
Down
  1. 1. many
  2. 2. a region of our solar system - between the orbits of Mars and Jupiter - in which many small bodies orbit our sun.
  3. 3. a small body of matter from outer space that comes into the atmosphere of the Earth and looks like a streak of light.
  4. 5. many
  5. 8. four
  6. 9. cosmic snowballs of frozen gases, rock and dust that orbit the sun.