Free Chemical Elements Word Search (Printable PDF + Answer Key)

Download and print this free chemical elements word search — 15 hidden words pulled straight off the periodic table, from everyday OXYGEN and IRON to the ATOM’s own PROTON and NEUTRON. It’s a free PDF with the answer key included, sized for standard printer paper and ready for chemistry unit starters, lab-day warm-ups, or a review sheet before a periodic table quiz.

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Answer key includedFree · 2 pages · key on page 2

15hidden words

Gr 6+suggested grade

2pages: puzzle + key

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The 15 Words in This Puzzle

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Every ELEMENT on the periodic table is built the same way: PROTON, NEUTRON and electron packed into an ATOM, whether it’s light HYDROGEN and HELIUM or heavier metals like IRON, GOLD, SILVER, SODIUM and CALCIUM. Here’s the full word bank you’ll be hunting for:

About this puzzle

About the Chemical Elements word search

The word list is easy-to-medium: IRON, GOLD and ATOM are quick finds, while ISOTOPE, NITROGEN and HYDROGEN take more scanning. It works from about grade 6 up, and makes a solid companion to a lesson on reading the periodic table.