This printable word search puzzle contains 21 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.
GROUNDWATER
FRESHWATER
GREENHOUSE
POLLUTION
WATERSHED
FLOODING
WETLANDS
AQUIFER
EROSION
MARSHES
NATURAL
STREAMS
RUNOFF
SPRING
CREEK
GASES
LAKES
OCEAN
RIVER
SWAMP
POND