Project Maths
Complex Number Operations
What do animated videos have to do with mathematics? Using operations of complex numbers and their representations on the complex plane, high schoolers observe how mathematics could be used to move animations. The lesson provides an...
Curated OER
Nuclear Decay
In this nuclear decay worksheet, students read about alpha and beta decay and the isotopes formed by the reactions. Students solve nine problems including writing the equations for the decay of radioactive isotopes, identifying the...
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AP Chemistry: Acid-Base Worksheet
In this acid-base worksheet, students solve multiple problems related to reactions of acids and bases. They determine pH of solutions, they find conjugate acids and bases, they calculate concentrations of acids and bases and they write...
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Chemistry Worksheet-Equilibrium
In this equilibrium worksheet, students solve twenty problems including determining the effects of various stresses on chemical reactions, calculating equilibrium constants, determining heat of reactions and writing expression for...
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AP Chemistry-Equilibrium Worksheet
In this equilibrium worksheet, learners find moles of substances at equilibrium, the effects of changing pressure and temperature on the equilibrium of reactions, the concentration of substances in reactions and the equilibrium constants...
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Ideal Gas Law
For this gas law worksheet, students review the Idea Gas Law equation and practice applying the equation to chemical reactions. Students write the balanced reaction, determine the limiting reagent, moles produced, and volume of gas...
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Bridging the Gaps Between the Three Worlds of Chemistry
Students examine the observed world, molecular world, and the symbolic world of chemistry. They observe a demonstration of the conductivity of solutions, describe the properties of acids and bases, and predict the outcome of solution...
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Acids and Bases Spring Worksheet
In this acids and bases worksheet, students answer 20 questions about acids, bases, neutralization reactions, buffers and molar solutions.
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Acids/Bases and Buffers
In this acids, bases and buffers activity, students define terms, solve problems such as calculating the pH of solutions and the molarity of solutions and they write balanced equations of neutralization reactions.
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Colligative Properties and Chemical Equilibria
In this colligative properties and chemical equilibria worksheet, students answer twenty questions including ranking solutions base on their colligative properties and determining what must happen to a reaction to reach equilibrium.
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Chemical Formulas
Here is an interesting instructional activity which invites learners to focus on understanding and interpreting the symbols used in writing and communicating information about chemical elements, compounds, and equations. The hope is that...
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Limestone
In this limestone instructional activity, students name three sources of calcium carbonate, write the chemical formula, and determine the three elements found in calcium carbonate. This instructional activity has 7 short answer and 3...
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...
Chymist
Tritration: Standardization of a Base and Analysis of Stomach Antacid Tablets
Do antacid tablets really do what they claim? An experimental lesson attempts to answer this question. Individuals practice the process of titration during the first part of the experiment. They then use those skills to neutralize an...
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Introducing Chemistry Vocabulary
High schoolers study vocabulary based on chemistry terms by creating flash cards. In this scientific vocabulary instructional activity, students utilize a chemistry word or phrase to create a card which uses the term, describes it in...
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Chemical Equilibria and an Introduction to Water Chemistry
In this equilibrium and water chemistry activity, students solve twenty problems related to acids and bases, equilibrium and water.
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Chemistry 112: Form A-
In this chemistry 112 learning exercise, students use their knowledge of chemistry concepts to answer the multiple choice questions provided. Students calculate the answers using the appropriate formulas.
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Water
In this water activity, students compare and contrast elements and compounds. Students define chemical symbols, chemical formulas, and chemical properties. This activity has 19 short answer questions.
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Stoichiometry
In this stoichiometry worksheet, students review concepts related to stoichiometry including molar ratio and conservation of matter. Students calculate the number of mole is specific reactions. This worksheet has 7 fill in the blank, 5...
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Thermodynamics
In this thermodynamics instructional activity, students calculate the change of entropy and standard free energy change for given reactions. Students write expressions for the thermodynamic equilibrium constants for reactions. This...
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Chemistry 1A Review
In this Chemistry 1A activity, learners review, molecular weight, solubility, endothermic reactions, and number of protons, neutrons, and electrons for elements. Students review Lewis Structures and how to predict the amount of product...
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Reacting Masses Problems
For 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.
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Yeast Fermentation
Students measure the temperature change involved in the production of carbon dioxide by yeast. They also identify products and reactants in a chemical and balance the equation.
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A Solution for Precipitation
Learners predict the product of chemical reaction using the solubility rules. In this chemistry lesson, students balance ionic equation. They perform a lab to check if their predicted products are correct.