Chemistry puzzles
Science and chemistry-themed puzzles, including wordoku, quick and cryptic crosswords. Test your chemistry knowledge and puzzle-solving skills
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Quick chemistry crossword #106
This quick chemistry crossword will take you from Scotland to Dorset
Our latest puzzle pages
Download the latest puzzle pages, complete with all of our puzzles and the previous month’s winners, here. We publish puzzle pages even when there isn’t a print magazine, so remember to check back each month!
September 2026 puzzles
Download the puzzles from the September 2026 print issue of Chemistry World
Cryptic chemistry crossword #149
‘A bet to get you agitated? (8)’ I wager you can’t complete this cryptic chemistry crossword
Cryptic chemistry crossword #148
Practicing cryptic chemistry crosswords ‘Endlessly teaches learner to bond (7)’
Cryptic chemistry crossword #147
Can you find all the solutions to this cryptic chemistry crossword, even the ‘Sparky footballer? (7)’
Cryptic chemistry crossword #146
While you complete this cryptic chemistry crossword, ‘I’ll dance around Ella endlessly with this old battery (7, 4)’
Chemistry wordoku #158
This chemistry wordoku may take some detective work!
Chemistry wordoku #157
Enter the world of quaisicrystals to solve this chemistry wordoku!
Chemistry wordoku #156
This chemistry wordoku can be found helping convert water to oxygen in photosynthesis!
Quick chemistry crossword #107
Understanding Einstein’s most famous equation will guide you in this quick chemistry crossword
Quick chemistry crossword #105
Thinking like the Italian renaissance polymath, astronomer, artist and physicist will help with this quick chemistry crossword
Quick chemistry crossword #104
Knowing your electrical units will help with this quick chemistry crossword
Quick chemistry crossword #103
Egg experts will find this quick chemistry crossword eggstra eggciting
Quick chemistry crossword #102
Galvanise yourself to solve this quick chemistry crossword