CK-12 Foundation
Hotpack - Coldpack
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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Chemical Reactions
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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What Happens When Chemicals are Put Together?
In this chemical reactions worksheet, students answer 12 multiple choice questions about compounds, chemical reactions, and balancing equations using coefficients.
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Balancing Equations Practice
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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Chemical Equations
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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Balancing Equations
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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Another Balancing Equations Sheet
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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Conservation During Chemical Reactions
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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Chemical Equations and Stoichiometry
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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A Chemical Balancing Act
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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Chemistry: Chemical Reaction
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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Balancing Equations
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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Chemical Formulas
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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What Happens When Chemical Are Put Together?
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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Balancing Equations
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.
Serendip
Using Models to Understand Photosynthesis
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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Matter and Energy
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...
Texas State Energy Conservation Office
Investigation: Chemical Models
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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Balancing Chemical Equations
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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Describing a Chemical Reaction
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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Chemical Analysis and Stoichiometry Problem Set
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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Chemical Equations
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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Energy Transformation with Balance Toys
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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Chemical Equations and Stoichiometry
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...