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Interactive
CK-12 Foundation

Hotpack - Coldpack

For Students 6th - 12th
Chemistry can help athletes and others protect and treat injuries. Use the interactive activity to explore the chemical reactions in instant hot and coldpacks. Learners manipulate the type of salt in the pack and watch the reaction take...
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Worksheet
Curated OER

Chemical Reactions

For Students 10th - 12th
In this writing chemical reactions worksheet, learners solve 15 problems on their own paper using a 3 step-problem solving approach. In addition, students write six balanced equations and classify each reaction. They also write equations...
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Worksheet
Curated OER

What Happens When Chemicals are Put Together?

For Students 9th - 12th
In this chemical reactions worksheet, students answer 12 multiple choice questions about compounds, chemical reactions, and balancing equations using coefficients.
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Worksheet
Curated OER

Balancing Equations Practice

For Students 9th - 12th
For this balancing equations worksheet, students identify subscripts and coefficients in compounds, they identify the total number of each type of atom in compounds and they practice balancing equations.
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Worksheet
Curated OER

Chemical Equations

For Students 9th - Higher Ed
In this chemical equations worksheet, learners write the symbols for the products and reactants and then write balanced symbol equations for the 20 chemical reactions given.
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Worksheet
Curated OER

Balancing Equations

For Students 10th - Higher Ed
In this chemical equations worksheet, students practice balancing equations with the given reactants and products. This worksheet has 12 problems to solve.
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Worksheet
Curated OER

Another Balancing Equations Sheet

For Students 10th - Higher Ed
For this reactions worksheet, learners balance the reactants and products for the given chemical reactions. This worksheet has 15 problems to solve.
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Worksheet
Curated OER

Conservation During Chemical Reactions

For Students 9th - 12th
In this chemical reaction instructional activity, students are given the details of an experiment where sodium chloride and silver nitrate are mixed in a chemical reaction. Students answer nine questions about the chemical reaction, they...
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Worksheet
Curated OER

Chemical Equations and Stoichiometry

For Students 9th - 12th
In this chemical equations activity, students write ten combustion equations given a hydrocarbon compound. They write the equations and balance each.
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Lesson Plan
Curated OER

A Chemical Balancing Act

For Teachers 9th - 12th
High schoolers decompose glucose and write an equation for the reaction. In this decomposition reaction lesson plan, students burn a sample of glucose and test the products for water using cobalt chloride paper. They write a balanced...
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Worksheet
Curated OER

Chemistry: Chemical Reaction

For Students 10th - 12th
In this chemical reactions worksheet, students name the reactants and products, balance the equation, calculate the molecular weight of the reactants and products, and classify each reaction type. Students fill in a table of solubility...
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Worksheet
Curated OER

Balancing Equations

For Students 10th - Higher Ed
In this chemical reactions worksheet, students practice balancing equations for given reactants and products. This worksheet has 12 problems to solve.
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Lesson Plan
Curated OER

Chemical Formulas

For Teachers 9th - 12th
Learners assess how to go from writing ionic chemical formulas to nomenclature and naming chemical compounds. They brainstorm former studies and share their thoughts in small groups. A list of everyday products (shampoos, toothpaste,...
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Worksheet
Curated OER

What Happens When Chemical Are Put Together?

For Students 9th - 12th
In this chemical reactions worksheet, students answer 20 multiple choice questions about chemical equations, chemical formulas, oxidation and reduction reactions and acids, bases and salts.
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Worksheet
Curated OER

Balancing Equations

For Students 9th - 12th
In this balancing equations instructional activity, students balance 8 equations using the proper coefficients. They also write the chemical formulas and balance 8 equations given the reaction in words.
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Activity
Serendip

Using Models to Understand Photosynthesis

For Teachers 9th - 12th Standards
Is your class in the dark about photosynthesis? Shed some sunlight on an important biological process with a thoughtful activity. After answering questions to help determine their level of knowledge, learners work with chemical equations...
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Lesson Plan
Curated OER

Matter and Energy

For Teachers 9th - 12th
Does the change in energy of matter lead to a change in mass? Upcoming chemists compare the mass of equal-volume, but different-temperature liquids and materials both before and after a chemical reaction has occurred. In another...
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Activity
Texas State Energy Conservation Office

Investigation: Chemical Models

For Teachers 6th - 8th Standards
Science teams make models of four different hydrocarbon compounds that we commonly use for fuel. Then they demonstrate chemical reactions that result when energy is produced. This can be used as an enrichment when your class is studying...
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Lesson Plan
Curated OER

Balancing Chemical Equations

For Teachers 9th
Ninth graders explain how atoms and molecules form different substances during chemical reactions and how these processes require losing, gaining or sharing electrons. They correctly write chemical formulas and show how a balanced...
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Worksheet
Curated OER

Describing a Chemical Reaction

For Students 9th - 12th
In this chemical reactions worksheet, students compare physical changes and chemical reactions. Students learn to balance chemical equations. This worksheet has 10 short answer questions.
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Worksheet
Curated OER

Chemical Analysis and Stoichiometry Problem Set

For Students 10th - Higher Ed
In this chemical analysis worksheet, students calculate the empirical formula using a combustion analysis report. Students write balanced chemical equations, total ionic equations, and net ionic equations. This worksheet has 2 problems...
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Worksheet
Curated OER

Chemical Equations

For Students 10th - Higher Ed
In this chemical equations worksheet, students review chemical changes, define catalysts and coefficients, and review the five general types of reactions. This worksheet has 12 fill in the blank and 42 short answer questions.
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Lesson Plan
Curated OER

Energy Transformation with Balance Toys

For Teachers K
Students explore and identify the concepts of potential and kinetic energy. They define kinetic and potential energy and discuss examples of each. Students then play a game involving balance toys, demonstrating both kinetic and potential...
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Worksheet
Curated OER

Chemical Equations and Stoichiometry

For Students 9th - 12th
In this chemical equations worksheet, high schoolers balance 20 given chemical reactions by placing the proper coefficient in front of each component of the equation. Students also complete five combustion reactions by writing the...