The Horrors of War Crossword Puzzle

123456789101112
Across
  1. 4. made by the Wright brothers
  2. 5. long tunnels that were dug out and fought in
  3. 8. heavy vehicle used in war with guns attached to it
  4. 9. animal that was used in the war
  5. 10. also known as trench guns
  6. 12. weapon that can bombard the enemy with explosives
Down
  1. 1. weapon that shot out fire
  2. 2. communication device made by Alexander Graham Bell
  3. 3. most common form of poison gas
  4. 6. solution made from sodium hypochlorite to kill dangerous bacteria
  5. 7. major impact of WWI and was called "Shell Shock"
  6. 11. invention by Hugh Owen Thomas that saved soldiers with broken thigh bones