This printable word search puzzle contains 17 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.
heat transfer
trophosphere
stratosphere
thermosphere
ozone layer
conduction
convection
mesosphere
atmosphere
radiation
ionsphere
exosphere
nitrogen
weather
climate
oxygen
argon