Free Printable High School 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.

Organic Molecules Crossword Puzzle

Organic molecules crossword puzzle for Grades 7–9 science students. Vocabulary includes carbohydrates, enzymes, nucleotides, and types of fats.

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.

Chemical Bond Crossword Puzzle

Chemical bond crossword puzzle for Grades 7–9 chemistry students. Practice ionic bonds, covalent bonds, valence electrons, and related concepts.

Chemical Bonds Crossword Puzzle

Chemical bonds crossword puzzle for Grades 8–10. Practice ionic, covalent, and metallic bonds with vocabulary like valence electrons, octet, and ions.

Chemistry Final Exam (Units 1–5)

Comprehensive 10th grade chemistry final exam with 28 multiple-choice questions covering chemical and physical changes, fermentation, phase changes, and polar molecules.

Chemistry Final Study Guide

Printable 10th grade chemistry study guide covering 12 units on matter, chemical reactions, phase changes, enzymes, emulsions, gluten, proteins, and baking chemistry.

Chemistry Crossword Challenge

Chemistry crossword puzzle for Grades 9–11. Practice periodic table structure, ions, density, mixtures, and valence electrons.

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.

Chemistry Test 3: Proteins, Fats, and Polymers

Printable 9th grade chemistry test covering proteins, amino acids, fats, polymers, synthetic fibers, and surfactants—15 multiple-choice and short-answer questions.

Chemical Basis of Life Crossword Puzzle

Chemistry crossword puzzle on the chemical basis of life for Grades 9–10. Practice vocabulary like monosaccharide, covalent bond, and biochemistry.

Chemical Basis of Life – Chapter 2 Word Search

Chemistry word search covering the chemical basis of life for high school biology. Find 12 hidden terms: biochemistry, monosaccharide, lipids, polyunsaturated, and more.

Repaso 2: Chemistry Vocabulary Crossword Puzzle

Chemistry review crossword in Spanish covering atoms, molecules, chemical bonds, and ions. Designed for Spanish-language science students in Grades 7–9.