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Free Chemistry worksheets
Six chemistry sets for middle school and early high school, each a free PDF with an answer key: atoms and molecules, the periodic table, states of matter, chemical reactions, balancing equations and lab safety. The sheets mix diagrams to label, tables to complete and short problems, so they work as class practice, homework or revision.
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The latest chemistry sets. The full list, A to Z, follows.
Free atoms and molecules worksheets
Grades 6–9
Five printable atoms and molecules worksheets for grades 6 to 9: label the parts of a carbon atom, complete a protons, neutrons and electrons table for twelve elements, draw six Bohr models and more. Answer keys included.
Free balancing equations worksheets
Grades 8–10
Five worksheets with 66 chemical equations to balance, from KOH + H3PO4 and Al + O2 to the decomposition of KClO3 and the combustion of CH4, C3H8 and C8H18. For grades 8 to 10.
Free chemical reactions worksheets
Grades 8–10
Five printable chemical reactions worksheets for grades 8 to 10: physical or chemical change, writing word equations, classifying twelve equations into the five reaction types and more. Answer keys included.
Free lab safety worksheets
Grades 6–10
Five printable lab safety worksheets for grades 6 to 10: sixteen behaviors to judge safe or unsafe, the nine GHS hazard pictograms to name, safety equipment to match and locate and more. Answer keys included.
Free periodic table worksheets
Grades 6–9
Five printable periodic table worksheets for grades 6 to 9: read an element square, complete the first 20 elements, fill in a blank table and color metals and non-metals, compare their properties, and solve ten element riddles.
Free states of matter worksheets
Grades 4–8
Five printable states of matter worksheets for grades 4 to 8: sort eighteen materials and complete the properties table, identify and draw particle diagrams, label the six changes of state and more. Answer keys included.
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