Chemistry Worksheets

Free Chemistry Worksheets

8 free printable chemistry worksheets for grades 2-12. Each worksheet comes with a free answer key and pairs with an interactive tool or virtual lab on LivePhysics™.

Printable PDF Answer Keys Included Grades 2-12
Grades 9-12 Grades 6-8 Grades 2-3

High School Chemistry

Grades 9-12 Worksheets

Four worksheets aligned to Chemistry 1 and AP Chemistry core topics.

Grade 9-12

pH Scale and Acids and Bases

Calculate pH from hydrogen ion concentration, identify strong vs weak acids, and interpret titration curves.

Worksheet PDF Answer Key
Grade 9-12

Stoichiometry Calculations

Convert between moles, mass, and particles using molar mass and Avogadro's number.

Worksheet PDF Answer Key
Grade 9-12

Balancing Chemical Equations

Balance single- and double-replacement reactions, combustion, and decomposition equations.

Worksheet PDF Answer Key
Grade 9-12

Periodic Table Trends

Analyze trends in atomic radius, ionization energy, electronegativity, and electron affinity across periods and groups.

Worksheet PDF Answer Key

Middle School Chemistry

Grades 6-8 Worksheets

Atomic structure and chemical reactions for middle school science.

Grade 6-8

Atoms, Elements and the Periodic Table

Identify atomic number, mass number, protons, neutrons, and electrons. Locate elements on the periodic table.

Worksheet PDF Answer Key
Grade 6-8

Chemical Reactions and Balancing Equations

Classify reaction types (synthesis, decomposition, combustion) and balance equations by inspection.

Worksheet PDF Answer Key

Early Elementary Chemistry

Grades 2-3 Worksheets

Properties of matter and states of matter for early elementary students.

Grade 2-3

Properties of Matter

Identify and compare physical properties including color, hardness, solubility, magnetism, and conductivity.

Worksheet PDF Answer Key
Grade 2-3

States of Matter

Compare solids, liquids, and gases, and describe phase changes including melting, boiling, and condensation.

Worksheet PDF Answer Key

Interactive Tools

Chemistry Tools That Pair With These Worksheets

Free browser-based tools for every worksheet topic. No download or login required.

Periodic Table Explorer

Explore element properties, electron configurations, and trends across the full periodic table.

pH Calculator

Calculate pH, pOH, hydrogen ion concentration, and hydroxide ion concentration for acids and bases.

Molar Mass Calculator

Calculate molar mass of any compound and convert between moles, grams, and number of particles.

Balance Chemical Equations

Enter any unbalanced equation and get step-by-step balancing with oxidation state analysis.

Virtual Labs

Chemistry Labs That Pair With These Worksheets

Guided virtual labs with data collection and lab report export.

Lab

Titration Lab

Simulate acid-base titrations and watch real-time pH curves develop as base is added.
Lab

Stoichiometry Lab

Measure reactant and product masses in simulated reactions to verify stoichiometric ratios.
Lab

Gas Laws Lab

Explore Boyle's, Charles's, and Gay-Lussac's laws with animated particle simulations.

FAQ

Frequently Asked Questions

Are these chemistry worksheets free?

Yes. Every chemistry worksheet is free to download as a PDF. Click the worksheet title, then use the Download PDF button. No account needed.

Do chemistry worksheets include answer keys?

Each worksheet has a dedicated answer key page with complete worked solutions.

What chemistry courses are these worksheets for?

The collection covers grades 2-12. States of matter and properties of matter are written for grades 2-3. Atomic structure and basic equations target grades 6-8. Stoichiometry, pH, balancing equations, and periodic table trends are written for grades 9-12 and align with a typical Chemistry 1 or AP Chemistry course.

Can I print these for my class or homeschool?

Yes. All worksheets are free to print and distribute in classrooms or homeschool settings.

Are there virtual labs that match these chemistry worksheets?

Yes. The titration, stoichiometry, and gas laws labs on LivePhysics™ pair directly with the chemistry worksheets and let students explore the same concepts interactively.

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