This printable word search puzzle on the topic of Elements & Periodic Table contains 25 hidden words in a 17x17 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.
Electron cloud
Atomic number
Energy levels
Plum pudding
Atomic mass
Rutherford
Democritus
Subatomic
Electrons
Aristotle
Negative
Chadwick
Neutrons
Positive
Isotopes
Element
Nucleus
Protons
Thomson
Orbital
Dalton
Erwin
Atoms
Bohr
Ion