Sixth class September crossword

1234567891011121314151617181920
Across
  1. 5. Ethel Leatherhead couldn't be seen
  2. 6. The Irish for plane
  3. 12. These are groups of stars connected with imaginary lines to make shapes.
  4. 14. Ancient people believed that the sun moon and stars revolved around the Earth.
  5. 15. Surname of our principal in Scoil Naomh Íosaf.
  6. 16. Has a trunk
  7. 17. Likes to chase mice
  8. 18. Flying mammal
  9. 19. This word has a silent b and may be unsure.
  10. 20. Large marsupial.
Down
  1. 1. repeated adding
  2. 2. This is a form of energy that travels in waves.
  3. 3. This large gas giant is the eight planet from the sun.
  4. 4. This planet is closest to the Sun.
  5. 7. The silent k makes this utensil really sharp.
  6. 8. fearr Not Good not better but best as Gaeilge
  7. 9. this skulduggery likes to be nice
  8. 10. Earth's natural satellite.
  9. 11. The Irish for engineer
  10. 13. This star is responsible for all life on our planet.
  11. 19. Man's best friend