School posters
Chemistry posters
These free chemistry posters follow the way chemistry builds across the school years.
6 free chemistry posters
KS1 and KS2 are primary school; KS3-4 are secondary. Each band has its own wording and type size. Ink-light copies print with much less colour.
KS1 ages 5 to 7
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View larger -
View largerWater can change
KS2 ages 7 to 11
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View largerStates of matter
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View larger
KS3-4 ages 11 to 16
Download the whole set
All 6 posters in A4 and A3 PDF, with the ink-light versions, in one ZIP file (564 KB).
Buy it printed
Ready-printed, laminated posters for display. The pictures are our own free designs, not the Amazon products.

Chemistry poster laminated a3
View on Amazon - Chemistry poster laminated a3 (affiliate link, opens in a new tab)
Also useful: Laminating pouches A3 on Amazon (affiliate link, opens in a new tab), Poster hanging strips on Amazon (affiliate link, opens in a new tab)
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How to use them
- Choose the age band for your class.
- Put the poster up before you start the topic so pupils meet the vocabulary early.
- Use the KS2 changing state poster to label photos or demonstrations in class.
- Ask KS3-4 pupils to give one example for each key term on the atoms poster.
- Print at A3 for a lab or science room wall, and laminate for wet areas.
About these posters
Key Stage 1 has a poster on the properties of materials and one on how water changes. Key Stage 2 covers states of matter and changing state, such as melting, freezing, evaporating and condensing. Key Stages 3 and 4 have a key terms poster on atoms, elements, compounds and ions, and a poster on acids, alkalis and pH. They are written to the National Curriculum level, avoid formulas and apparatus drawings so they stay clear on the wall, and download as A4 and A3 PDFs.
Questions
Is there a periodic table poster?
Not in this set. A periodic table is better as a full data chart, so use your department's own copy.
Do the posters cover GCSE?
The KS3-4 posters match common GCSE definitions, but they are not tied to one exam board.
Why no chemical formulas?
Formulas need subscripts and do not read well from a distance, so the posters use words instead.
Are these safe to use with practicals?
They are information posters only. They are not a substitute for your school's lab safety guidance.
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