This printable word search puzzle on the topic of World History (General) contains 13 hidden words in a 24x24 letter grid. Words go horizontally, vertically, backwards, and diagonally. This word search is also available to download as a Microsoft Word document or a PDF.
Mechanical clock
Leather rowboat
Plunger closet
Printing press
Graded lenses
Flush toilet
Steam engine
Gun powder
Microscope
Telescope
Wallpaper
Condom
Violin