This printable word search puzzle on the topic of World History (General) contains 19 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.
Law of gravitation
scientific method
human anatomy
heliocentric
thermometer
empiricism
Copernicus
geocentric
Descartes
knowledge
invention
telescope
Galileo
vaccine
gravity
reason
Newton
Boyle
clock