This World War One: Terminology Crossword Puzzle contains two versions of the puzzle for differentiation. One version has a word bank, the other version does not. The answer key is also included. This puzzle is great as a vocabulary builder, review, or enrichment learning activity for any World War One unit. This puzzle includes 22 vocabulary terms and expressions such as: dreadnought, dough boys, hanging on the wire, over the top, land ship, wastage, u-boat, liquid fire, etc .