Curated OER
2005 U.S. National Chemistry Olympiad - Local Section Exam
National Chemistry Olympiad tests are released after their use each year, since they cannot use them again for this event. The result: outstanding comprehensive assessment resources for general chemistry classes! This 2005 version covers...
Chymist
Alum from Waste Aluminum Cans
Turn aluminum cans into pickles! An engaging experiment has learners chemically change aluminum into a substance with many purposes including the manufacture of pickles. After performing the chemical conversion, the experimenters verify...
Pingry School
Kinetics of the Acid Decomposition of Thiosulfate
Several factors affect the rate of a chemical reaction including temperature, surface area, and concentration. Using an experimental approach, learners explore the effect concentration has on this rate while maintaining consistency with...
Utah Education Network (UEN)
Utah Open Textbook: Chemistry
Technology can help save money and add convenience. The resource offers a free textbook for a complete Chemistry course. The text begins with a review of the scientific method and continues to explain topics such as chemical bonding,...
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
Model Mania
Eighth graders study the conservation of matter. In this chemical reaction lesson students examine what happens during a chemical reaction and complete a lab activity.
Curated OER
Chemistry 130
In this chemical compounds worksheet, students calculate moles, molar concentration, and volume of given compounds. Students balance equations, give the formula and charge of polyatomic ions, and draw Lewis electron dot structures. This...
Curated OER
Natural Resources
In this natural resources worksheet, students compare examples of chemical and physical properties, balance equations, and calculate molar mass and moles. This worksheet has 12 problems to solve and 12 short answer questions.
Curated OER
Hot Gas Or Cold Gas Lab
Students engage in a lab project to study chemical reactions. They use guided questions to help facilitate the lab experience and come to the correct outcomes. The instructional activity does not contain a true understandable objective....
Curated OER
Don’t be a Stoic about Stoichiometry
Students review balancing chemical equations. In this chemistry lesson, students calculate moles of an unknown substance based on stoichiometric relationships in the balanced equation. They cite applications of stoichiometry in the...
Curated OER
Six Types of Reactions
For this types of chemical reactions worksheet, students fill in 5 blanks with the proper type of chemical reaction described in the sentence. Students balance 5 equations and identify the type of chemical reaction for each equation.
Curated OER
Types of Reactions
In this types of reactions instructional activity, students balance 5 chemical equations and identify the type of reaction. They read 3 scenarios and identify the type of reaction going on in each situation.
Curated OER
Percent Yield
In this chemical reaction activity, students balance the reaction equation, determine the type of reaction, and calculate the percent yield. This activity has 7 problems to solve.
Curated OER
Chemical Calculations
In this chemical calculations activity, learners fill in 7 blanks with appropriate terms. They determine if 7 statements are true or false, they match 5 conversion problems to their solutions and they solve 2 stoichiometry problems using...
Curated OER
Titration Calculations
In this titration worksheet, students calculate the moles of acids in a given amount of solution. Students balance equations and calculate the concentrations of given acids. This worksheet has 10 problems to solve.
Curated OER
Reacting Masses Problems
In this chemical reactions worksheet, students follow steps to determine the mass of compounds formed by the combustion of an element. This worksheet has 5 problems to solve.
Curated OER
Stoichiometry
In this stoichiometry worksheet, students practice calculating moles, molarity, and the concentration of a solution in molarity. This worksheet has 12 multiple choice questions and 3 problems to solve.
Curated OER
Iron Filings
Students conduct an experiment in which a solution of copper(II) sulfate is added to iron filings. They write and balance the equation for the reaction that occurs and calculate the amount of iron that reacted and the percent yield of...
Curated OER
Chemistry 152 - Competencies
In this chemistry competencies worksheet, students calculate rate law, balance equations, determine pH of solutions, give the oxidation number for atoms, and write in formulas. This worksheet has 4 fill in the blank questions and 20...
Curated OER
Redox Reactions
In this redox reaction learning exercise, students balance redox reactions of basic and acidic solutions. This learning exercise has 3 problems to solve.
Curated OER
Stoichiometry
In this stoichiometry worksheet, students balance equations and name the reactants and products. This worksheet has 2 problems to solve.
Curated OER
Stoichiometry Practice Problems
In this stoichiometry worksheet, students calculate the mass of the compound produced from given chemical reactions. This worksheet has 6 problems to solve.
Curated OER
Stoichiometry Practice Problems
In this stoichiometry worksheet, students calculate the mass of compounds or gases produced from given chemical reactions. This worksheet has 5 problems to solve.
Curated OER
Titration
In this titration learning exercise, students calculate the pH of a solution at different points during a chemical reaction. Students write a balanced net ionic equation for the major equilibrium reaction. This learning exercise has 3...