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Science · 7th Grade
Elements, Compounds and Mixtures
Three levels of 'what is this made of', and how to tell them apart.
How to use it
Ask whether it can be separated, and whether that separation is physical or chemical.
Free · print-ready PDF · US Letter and A4
- Grade
- 7th Grade
- Ages
- 12–13
- Subject
- Science
- Pages
- 1
The rest of the 7th Grade wall
49 more posters, all free to print — 11 of them here.
SI Units & ConversionsThe seven base units, the metric prefixes and the decimal-move shortcut.Reading the Periodic TableWhat a box tells you, and how groups and periods are organised.AtomsThree particles, where each sits, and what each one decides.Getting In and Out of a CellThree ways substances cross the membrane, and which one costs energy.Human Impact on EcosystemsFive ways people change ecosystems, and what each one does.WavesHow energy moves without the material moving with it.Heat TransferThree ways heat moves, and which materials help or block each one.Inherited TraitsWhy you look like your parents but are not identical to either.Chemical ReactionsThe signs a reaction happened, and the law that governs all of them.How Body Systems Work TogetherNo system works alone — five partnerships worth knowing.Solving ProportionsTwo equal ratios, and the cross-multiplication that solves them.