Across
- 1. When it rained, the battlefield was turned into this.
- 4. Heavy weapons that would fire a shell over great distances.
- 7. The battle in which tanks made an impressive breakthrough.
- 10. Used in large quantities to protect friendly trenches.
- 11. The space between the fighting on the Western Front.
- 13. A type of aircraft lifted by an enormous balloon.
- 14. Rapid firing weapons technology that caused devastating casualties.
- 16. Temperatures inside tanks could rise to this level.
- 19. An aircraft that has three wings.
- 20. Defensive ditches in which soldiers can be protected.
Down
- 2. A wooden framework laid over wet ground to provide a surface for moving.
- 3. The process of learning how to fight trench warfare.
- 5. An aircraft that has two wings.
- 6. New mobile technology invented to deal with barbed wire.
- 8. A fighter pilot with many kills.
- 9. The country in which the Western Front existed.
- 12. The name originally used for a type of amoured vehicle.
- 15. A truce signed on the 11th of November 1918.
- 17. Being out in this was lethal during the war.
- 18. Placed around trenches to absorb the impact of bullets.