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Assessment
Curated OER

2001 U.S. National Chemistry Olympiad - Local Section Exam

For Students 9th - 12th
Sixty multiple-choice chemistry questions make up this comprehensive exam used for the 2001 US National Chemistry Olympiad. Every topic that you would expect to approach in a general chemistry class is queried on. You could easily use...
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PPT
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Chemical Equations

For Teachers 9th - 12th
Wow! This comprehensive collection of slides will walk your chemistry class through the foundation of chemical reactions, teach them to balance equations, differentiate types of reactions, and calculate stoichiometry problems. This will...
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Worksheet
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Module 7 Revision Guide - Chemistry

For Students 9th - 12th
Two versions of this handout are provided, the second with more detailed information on the same topics. Chemistry aces survey chemical reactions, heat energy transferred, and the action of enzymes by reading this resource. You can...
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Worksheet
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Balancing Chemical Equations - Learning How

For Students 9th - 12th
In this chemical equations worksheet, students learn to balance chemical equations by counting the number of atoms of each element in the products and reactants and making them equal. This worksheet has 5 problems to solve.
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Lesson Plan
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Conservation of Mass

For Teachers 9th - 12th
High schoolers conduct an experiment to compare the total mass of products to the mass of reactants. In this conservation of mass lesson plan, students devise an experiment to show that matter is neither created or destroyed in a...
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Lesson Plan
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Mass-Mass Relationship

For Teachers 9th - 12th
Students investigate mass-mass relationships in the lab. In this mass-mass relationship lesson plan, students mix sodium carbonate with hydrochloric acid to produce sodium chloride, water and carbon dioxide. Students use the amount of...
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Lesson Plan
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Mass-Mass Relationships

For Teachers 9th - 12th
High schoolers investigate mass-mass relationships using potassium carbonate and hydrochloric acid. In this mass-mass relationship lesson plan, students measure a certain amount of potassium carbonate and determine how much hydrochloric...
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PPT
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Chemical changes

For Teachers 8th - 10th
After recapping some of the basic terms used in reactions, this PowerPoint will be useful to your class by demonstrating some examples of forming equations.
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Worksheet
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Visualizing the Limiting Reactant

For Students 9th - 12th
In this chemical equation activity, students determine the limiting reactant and the excess reactant for the given reactions. This activity has 10 problems to solve.
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Worksheet
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Limiting Reactant Problems

For Students 10th - Higher Ed
In this chemical reaction activity, students determine the limiting reactant in the equations given plus determine the amount of moles of product produced. This activity has 6 problems to solve.
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Worksheet
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Stoichiometry

For Students 10th - 12th
In this stoichiometry learning exercise, students use balanced equations for chemical reactions to determine the percent yield and the mass of product produced. This learning exercise has five problems to solve.
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Lesson Plan
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Kinetics

For Teachers Higher Ed
In this kinetics worksheet, students review activation energy, rate of reaction, and reaction mechanisms. This worksheet has 13 multiple choice questions.
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Lesson Plan
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Theoretical Yield and Percent Yield in Chemical Reaction

For Teachers 10th - Higher Ed
In this stoichiometry worksheet, students solve several problems using the stoichiometric method. Students find the percent, theoretical, and actual yield for all problems presented.
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Lesson Plan
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Reactions of Benzene Derivatives

For Teachers 11th - Higher Ed
In this chemistry worksheet, students complete each of the problems by completing the circle for each reactant with the correct benzene derivative. There are three problems to solve and complete on the sheet.
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Lesson Plan
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Polymers Lab: Bouncy Ball and Slime

For Teachers 8th
Eighth graders investigate chemical reactions to produce polymers. In this polymers lesson plan, 8th graders experiment with sodium silicate and ethyl alcohol to make a polymer. They also experiment with borax and glue to make a polymer....
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Lesson Plan
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Chemistry Lab: Chemical Equilibrium

For Teachers 9th - 12th
Young scholars investigate the effects of adding or removing a reactant or a product on chemical equilibrium. In this equilibrium lesson plan, students add or remove ions to solutions to determine the effects on equilibrium. They make...
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Worksheet
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Writing the Complete Equation

For Students 9th - 12th
In this writing equations worksheet, students are given 6 chemical reactions and they write equations for each one including the reactants, the products and the states of matter.
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Worksheet
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Balancing Chemical Equations

For Students 9th - 12th
In this balancing chemical reactions worksheet, students fill in the proper coefficients in front of the reactants and products of 20 equations to balance each given chemical equation.
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Worksheet
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Another Balancing Equations Sheet

For Students 10th - Higher Ed
In this reactions worksheet, students balance the reactants and products for the given chemical reactions. This worksheet has 15 problems to solve.
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Worksheet
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Physical vs. Chemical Changes and "The Code"

For Students 9th - 12th
In this chemical and physical change instructional activity, learners read about the differences between substances going through physical changes vs. chemical changes. They are given examples of each and evidence to look for in chemical...
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Worksheet
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Understanding Chemical Equations

For Students 10th - Higher Ed
For this chemical equations worksheet, students identify the reactants and the products, state what phase each is in, and state the mole ratios of all the products and reactants. Students complete 10 problems.
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Worksheet
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Conservation During Chemical Reactions

For Students 9th - 12th
For this chemical reaction worksheet, 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 determine...
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Worksheet
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Everything about Equations

For Students 9th - 12th
In this chemical reactions worksheet, students are given fifteen unbalanced equations and they must identify the reaction types, the phases of the products, the signs that a chemical change occurred and the sum of the coefficients of the...
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Interactive
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Balancing Equations Online

For Students 9th - 11th
In this balancing equations worksheet, students use an on line source to answer questions about balanced equations and they write balanced equations for various types of reactions. They balance equations using an on line game that allows...