This printable word search puzzle on the topic of Elements & Periodic Table 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.
radioactivity
contamination
plum pudding
irradiation
background
rutherford
radiation
half life
ionising
fission
thomson
isotope
nucleus
fusion
decay
gamma
alpha
bohr
atom
beta
ion