Here is a copy of the questions you need to research and the different topics:
Heavy Artillery and Big Bertha:
Airplanes and Zeppelins:
The Machine Gun:
1. What is the name of your weapon?
2. What was the year it was invented?
3. Who invented the weapon and/or what country first developed it?
4. Describe the weapon.
5. How was it used during the war?
6. What did the weapon do to the enemy?