This printable word search puzzle contains 20 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.
exothermic reations
greenhouse effect
calcium compound
carbon monoxide
global warming
fossil fuels
distillation
desalination
ionic bonds
fertilisers
hypotheses
filtration
earthquake
electrons
atmoshere
hydrogen
elements
energy
alkali
earth