Free Printable 12th Grade Chemistry Activities

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Organic Molecules Word Search

Organic molecules word search for high school chemistry and biology. Find 15 hidden terms including carbohydrates, proteins, lipids, and nucleotides.

Intense Hydration Hair Mask Gel: Formulation Checklist

Printable chemistry worksheet for Grades 6–12: students select carrier oils, binders, and essential oils to formulate an intense hydration hair mask gel and analyze cost.

Grupos Funcionales Word Search

Spanish-language organic chemistry word search for high school. Find 14 hidden terms including aldehido, cetona, and ester in a circular grid.

Chemistry Fundamentals: Compounds, Bonding, and Stoichiometry

Printable chemistry worksheet covering compounds, atomic structure, chemical bonding, and stoichiometry for high school and college students.

Organic Chemistry Hydrocarbons Word Search

Organic chemistry word search for high school. Find 35 hidden words on hydrocarbons, including alkanes, alkenes, benzene, and IUPAC nomenclature.

Polímeros Word Search

Spanish-language polymer chemistry word search for high school. Find 10 hidden words including elastómero, termoplástico, and cristalización in a 20×20 grid.

Chemical Kinetics Crossword Puzzle

Chemical kinetics crossword puzzle for high school chemistry. Terms include catalyst, activation energy, reaction rate, and transition state.

Ciencias Naturales III Word Search

Spanish chemistry word search for Grades 11–12 on acids and bases. Find 10 hidden terms including ácido, bureta, and fenolftaleína in a circular grid.

Chemistry Word Search: Solutions and Molarity

Spanish-language chemistry word search for high school. Find 8 hidden terms on solutions, including molarity, density, and mass, ideal for chemistry exam review.

CSI Chemistry: Choosing the Right Evidence

Printable forensic chemistry worksheet for Grades 9–12 with investigation planning, evidence evaluation, and written reflection on substance identification and scientific reasoning.

Identifying Unknown White Powders: Scientific Investigation Plan

Printable high school chemistry worksheet: students plan and conduct three tests to identify four unlabeled white powders using scientific reasoning.

Chemistry Review Word Search

Spanish-language chemistry word search for high school covering biochemistry and redox reactions. Find 28 hidden words including biomoléculas, ecuación, and neutralización.

Capsaicin: The Chemical Behind the Burn

Printable chemistry worksheet for Grades 9–12 on capsaicin and molecular polarity. Students read about why spicy foods burn and analyze polar and nonpolar molecules.

Compuestos Orgánicos Word Search

Spanish-language organic chemistry word search for high school. Find 10 hidden terms including alcanos, alquenos, and tetravalente in a 20×20 grid.

Thermodynamics and Thermochemistry Word Search

Spanish-language thermodynamics word search for high school chemistry. Find 12 hidden words including entalpia, entropia, and exotermica in a 20×20 grid.

Lípidos Crossword Puzzle

Spanish-language lipid and biochemistry crossword for high school chemistry students. Covers fatty acids, lipoproteins, cholesterol, and molecular structure.