Innovations of World War One

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Across
  1. 2. What is the name of the muscle strengthening exercises invented during World War I by a German man of the same name?
  2. 4. To try to use less coal during World War I, Germany, the UK, and the USA used this technique.
  3. 6. Today these are part of normal fashion. During World War I, these water-resistant overcoats proved superior to the standard wool coats in repelling the rain and chill of the trenches—from which the garment gained its name.
  4. 7. In 1918, the successful test of the first unmanned aerial torpedo that could strike a target at a distance of 75 miles was tested. This new technology led to a type of unmanned aircraft used today.
  5. 9. Before World War I, this men’s fashion accessory was only worn by women - the men wore theirs on a chain and kept it in a pocket. Soldiers wearing these on their wrists kept their hands-free during battle.
  6. 10. Adding chromium to molten iron produced steel that wouldn’t rust. This innovation was used to manufacture aircraft engines, mess kit silverware, and medical instruments during World War I. What is the name of this innovation?
Down
  1. 1. This technological innovation was once called, the “hookless fastener”, and was perfected by Gideon Sundback during World War I.
  2. 3. This innovation was first used as surgical bandages during World War I. It is made from processed wood pulp that was five times more absorbent than cotton and cost half as much to produce.
  3. 5. The point of this innovation was to have a blood supply as close to the front as possible for wounded patients.
  4. 8. What is the name of the muscle strengthening exercises invented during World War I by a German man of the same name?