Chemistry puzzles

Science and chemistry-themed puzzles, including wordoku, quick and cryptic crosswords. Test your chemistry knowledge and puzzle-solving skills

Win with GPE Scientific

These cryptic crosswords each contain two special letters. Complete the crosswords and make a note of the letters – if you can work out the chemistry-related term they make, you could be in with a chance of winning one of ten prizes valued at £50 each.

There will be six prize puzzles in total, with the last one publishing in June alongside full details of how to enter the competition. Good luck!

Cryptic crossword grid 133

Cryptic chemistry crossword #133

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Could this cryptic chemistry crossword help you find the ’first of Shakespeare’s plays to inspire new twist (4)’?

Cryptic crossword grid 132

Cryptic chemistry crossword #132

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Could this cryptic chemistry crossword be a ’partial scam used by the philosopher (5)’?

Cryptic crossword grid 131

Cryptic chemistry crossword #131

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While this cryptic chemistry crossword may leave you ’Initially aggrieved, some hope remains (3)’

Cryptic crossword grid 130

Cryptic chemistry crossword #130

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‘This might initially confuse the artisan (5)’, but then, cryptic crosswords can be confusing…

Wordoku grid 142

Chemistry wordoku #142

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A 2019 Nobel laureate lurks in the solution to this sudoku-style puzzle

Wordoku grid 141

Chemistry wordoku #141

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The solution to this sudoku-style puzzle hides a metabolite named after a Japanese flower

Wordoku grid 140

Chemistry wordoku #140

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Find the name of a Russian-Canadian polymer chemist in this sudoku-style puzzle

Quick crossword grid 103

Quick chemistry crossword #103

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Egg experts will find this quick chemistry crossword eggstra eggciting

Quick crossword grid 102

Quick chemistry crossword #102

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Galvanise yourself to solve this quick chemistry crossword

Quick crossword grid 101

Quick chemistry crossword #101

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Indian and Danish physicists meet British astronomers and evolutionary biologists in this quick chemistry crossword 

Jumbo 2025 quick crossword grid

Jumbo quick crossword 2025

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An extra large edition of our quick chemistry crossword

Quick crossword grid 100

Quick chemistry crossword #100 - Shimadzu special

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Search for solutions in this special Shimadzu-themed quick chemistry crossword