Curated OER
Moles and Stoichiometry Practice Problems
Five practice stoichiometry problems plus their answers fill this chemistry worksheet. Because the answers are spread across the bottom of the page, this would best be used as your class is just learning how to perform mole and mass...
Curated OER
Reaction Worksheet
In this chemical reaction worksheet, students write 11 balanced equations for 11 word equations, and complete word equations and balance chemical equations for 13 chemical equations.
Curated OER
Using Rocks and Ores Worksheet
In this chemistry activity, students answer 15 short answer questions about rocks and ores. They explore write balanced chemical reactions from word equations given.
Virginia Department of Education
Matter and Energy: Equations and Formulas
Using simple materials, an informative lesson demonstrates the Law of Conservation of Matter and explains how to balance chemical equations. Young chemists perform experiments, analyze reactions, and balance chemical equations...
Kenan Fellows
Reaction Stoichiometry—How Can We Make Chalk?
What is a reasonable percent yield in the manufacturing process? Scholars develop a process for producing chalk in the third instructional activity of a six-part series. Then, they must determine the theoretical and percent yield....
Curated OER
Reactivity Series of Metals
In this reactivity series learning exercise, 10th graders complete 10 short answer questions on metals. They identify and balance chemical reactions.
Curated OER
Balancing Act
In this balancing equations worksheet, students walk through 1 sample equation in which they determine the number of atoms for each element then add coefficients to the equation to balance the atoms. After completing the sample, they...
Curated OER
Types of Chemical Reactions
In this chemical reactions worksheet, students fill in 12 blanks, determine if 5 statements are true or false, match 4 types of reactions with their description and solve 2 problems related to balancing equations and chemical reactions.
Curated OER
Limiting Reactant Problems
In this chemical reaction worksheet, students determine the limiting reactant in the equations given plus determine the amount of moles of product produced. This worksheet has 6 problems to solve.
National Institute of Open Schooling
Electrochemistry
In an electrolytic cell, electrical energy is converted into chemical energy, the exact opposite of a battery! Lesson 15 in a series of 36 explores electrochemistry. Participants begin by reading and discussing oxidation/reduction...
Curated OER
Chemical Analysis and Stoichiometry
For this chemical analysis worksheet, students use a combustion analysis report to calculate the empirical formula for compound samples. This worksheet has 2 problems to solve.
Curated OER
Heat Loss and Gain in Physical Changes and Chemical Reactions
Students measure the heat of physical and chemical changes in reactions. In this chemistry lesson students determine at what extent changes emit or absorb heat.
Curated OER
Thermodynamic Reaction Worksheet
In this thermodynamics worksheet, students predict the change in reaction values for the 14 thermodynamic reactions given.
Curated OER
Electrolysis Reactions
In this electrolysis reactions worksheet, students determine the mass of a compound and the time required for specific electrolysis reactions. This worksheet has 5 problems to solve.
Curated OER
Balancing Equations
In this chemical equations worksheet, students determine the products and reactants for given equations and then balance the equations. This worksheet has 4 problems to solve.
Curated OER
Chemistry: Balancing Chemical Equations
Eighth graders practice balancing chemical equations. In this chemistry lesson, 8th graders explain why it is necessary to balance equations. They complete practice worksheets individually.
Curated OER
Matter
Eighth graders explore chemical reactions and their products. They define a chemical reaction and describe the characteristics of a chemical reaction. Students classify chemical reactions.
Curated OER
Reaction Types and Stoichiometry
In this chemical reactions worksheet, students balance chemical reactions and identify each type of reaction. Students write the net ionic equation for reactions. Students calculate moles and grams of reactants or products. This...
Curated OER
Combustion Reactions
Students write a balanced chemical reaction. They articulate how burning fossil fuels increase the carbon dioxide levels in the atmosphere. Students incorporate all the environmental risks involved as well.
Curated OER
Balancing Redox Reactions
In this chemical equation lesson, students balance 10 redox equations. The instructional activity is printable and the answers are not available.
Curated OER
Chemical Reactions
In this reactions worksheet, students write the formula for each reactant and product and then balance the equation. Students have 23 problems to solve.
Curated OER
Chapter 7 Worksheet-Types of Equations
In this equations worksheet, students write equations and classify them as single displacement, double displacement, combustion, combination or decomposition reactions. They also write sample equations of each type of reaction and answer...
Curated OER
Stoichiometry
For this stoichiometry worksheet, students use balanced equations for chemical reactions to determine the percent yield and the mass of product produced. This worksheet has five problems to solve.
Virginia Department of Education
The Law of Conservation of Matter
The Law of Conservation of Matter can be complex for young scientists to fully grasp. Use this experiment to help simplify the process as pupils perform two experiments to determine mass: one that melts a substance and the other that...