Free Photosynthesis Word Search (Printable PDF + Answer Key)

Download and print this free photosynthesis word search — 15 hidden words following a plant’s ENERGY from SUNLIGHT to GLUCOSE, with the LEAF and CHLOROPLAST doing all the work. It’s a free PDF with the answer key included, sized for standard printer paper and ready for life-science unit starters, lab-day warm-ups, or homework practice on plant biology.

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Answer key includedFree · 2 pages · key on page 2

15hidden words

Gr 5+suggested grade

2pages: puzzle + key

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The 15 Words in This Puzzle

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Follow the process step by step: SUNLIGHT hits the CHLOROPHYLL inside a CHLOROPLAST, CARBON and WATER combine through a REACTION, and OXYGEN and GLUCOSE come out the other side. Here’s the full word bank you’ll be hunting for:

About this puzzle

About the Photosynthesis word search

The word list is easy-to-medium: LEAF, WATER and PLANT are quick finds, while CHLOROPHYLL, CHLOROPLAST and STOMATA stretch the search further. It works from about grade 5 up, and pairs nicely with a lesson on how plants turn SUNLIGHT into food.

The organelles that make photosynthesis possible are covered in the cell structure puzzle, part of the free biology word search collection.