The Year of the Hangman Crossword

12345678910111213141516171819
Across
  1. 2. The Greek root that mean stop, height, tip, and beginning.
  2. 5. The science of secret codes is ________graphy.
  3. 9. ________aeologists study ancient cultures.
  4. 10. Some people lose their ________y as they get older.
  5. 11. ________is a Greek root that means earth, soil, and global.
  6. 13. Some people say that nothing is ________possible.
  7. 14. Some studies have shown that pigeons can hear ________sonic sound.
  8. 17. ________gons have 5 edges and 5 vertices.
  9. 18. People who ride ________cycles must be very skilled.
  10. 19. The Greek root that means liquid or water.
Down
  1. 1. ________logists study live animals.
  2. 3. Explorers ________navigated the Earth.
  3. 4. Plant life is also known as ________.
  4. 6. The metric system of measurement is based on ________mals.
  5. 7. The United States of America is a ________cratic nation.
  6. 8. My brother used to ride a ________cycle when he was 4.
  7. 12. Life forms from places besides Earth are called ________terrestrials.
  8. 15. An ________isan is a person skilled in a craft.
  9. 16. The formula for the ________meter of a rectangle is length+length+width+width.
  10. 18. ________anology must be a very interesting science to study.