This printable word search puzzle contains 29 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.
iouter planet
space shuttle
inner planet
revolution
scientist
astronaut
satellite
high tide
neap tide
position
low tide
eclipses
mission
planets
inertia
gravity
humans
trough
probe
orbit
cycle
earth
crest
solar
lunar
NASA
tide
moon
sun