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
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August 2026 puzzles
Download the August 2026 puzzles from Chemistry World
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)’
Cryptic chemistry crossword #145
‘Regular retreat taking an age? (3)’ here’s a cryptic chemistry crossword to do while you wait
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!
Chemistry wordoku #155
This chemistry wordoku spotlights a chemist whose contributions include ideas about teaching through discovery lab work!
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