Curated OER
Mass/Mass Problems
In this mass worksheet, learners calculate how much of any product will form from a given amount of reactant. This worksheet has 7 problems to solve.
Virginia Department of Education
Average Atomic Masses
Facilitate learning by using small objects to teach the principles of atomic mass in your science class. Pupils determine the average mass of varying beans as they perform a series of competitive experiments. They gather data and...
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Chemical Equations
In this chemical equations worksheet, students determine the empirical formulas for chemical compounds and balance chemical equations. This worksheet has 1 fill in the blank question and 4 problems to solve.
Curated OER
Reacting Masses Problems
In this reactions worksheet, student determine the products of a reaction, balance an equation, and calculate the number of moles in an experiment. This worksheet has 4 problems to solve.
Curated OER
Additional Stoichiometry Review Problems
In this stoichiometry worksheet, students interpret a chemical equation, determine number of moles produced or mass of product, and solve for the limiting reactant for reactions. This worksheet has 25 problems to solve.
Waterloo Mathematics
Grade 7 Patterning and Algebra: Algebraic Expressions
Classmates solve 18 different problems that are mostly word problems that apply algebraic expressions. They draw different combinations of masses on a scale that would balance. They also simplify expressions and solve for x in a number...
Curated OER
Experiment on Measuring Reaction Rates
Students investigate the rate of a chemical reaction. In this rate of reactions lesson plan, students use an electronic balance to measure the change in mass of a chemical reaction between hydrochloric acid and calcium carbonate. They...
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Enthalpy and Thermochemistry Problem Set
In this thermochemistry worksheet, students answer questions based on the reaction of charcoal and liquid oxygen. Students write a balanced chemical equation, determine the limiting reagent, calculate the mass of each product, and amount...
Curated OER
Chemical Equations
In this chemical equations activity, learners review chemical changes, define catalysts and coefficients, and review the five general types of reactions. This activity has 12 fill in the blank and 42 short answer questions.
Curated OER
The "Laws" and Principles of Chemical Reactions
In this chemical reactions worksheet, students review the law of conservation of mass, the principle of definite proportions, and balancing equations. This worksheet has 3 problems to solve.
Curated OER
Balanced Forces
Examples and practice questions will help real-life understanding of the Principle of Moments concept. These great slides define the types of levers and pivots, and then give examples of the typical seesaw situations that help the...
Curated OER
Percent Yield
In this percent yield worksheet, students solve 4 problems. They find the percent yield given the chemical reaction, the mass of the reactants and the mass of the products. Given the percent yield students find the liters of a substance...
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
Density
This sequence of slides is a fabulous introduction to the concept of density as it relates to mass, volume, physical impact, and interpretation. Various examples are given and your class will find the charts and procedures helpful in...
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Density Problems
In this density activity, students are given 11 problems and they determine the density of the substance, the mass of the substance or the volume. They write the equation they use to solve the problem, they show their work and they box...
Curated OER
Penny Lab
In this percent composition worksheet, students carry out an experiment to determine the percent of zinc in a penny. They write a balanced equation for the chemical reaction they performed with the penny and hydrochloric acid.
Cornell University
Predicting Chemical Reactions
Prove the Law of Conservation of Mass through a lab investigation. A well-designed lesson asks groups to combine materials and monitor indicators for chemical reactions. Measuring the mass of the reactants and products allows individuals...
Curated OER
Describing Chemical Reactions
In this chemical reactions worksheet, students fill in 12 blanks with the appropriate terms related to chemical reactions. They also indicate if 4 statements are true or false and match 7 words with their descriptions. Students complete...
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The Mass of the Moon
In this mass of the Moon worksheet, students use the lunar orbit and the orbit period to determine the mass of the Moon. They solve 4 problems including finding the mass of the Moon, determining the ratio of the Moon's mass to the...
Curated OER
Chemistry 151 - Final Review
For this chemistry review worksheet, students give atomic symbols for given atoms, calculate moles, determine empirical formulas, and balance chemical equations. This worksheet has 1 drawing, 9 fill in the blank, and 12 word problems.
Curated OER
Balancing Chemical Reactions
In this balancing chemical reactions worksheet, high schoolers answer 12 questions about balancing reactions. They find the coefficients to balance atoms in equations, they balance reactions, they find the molecular mass of molecules and...
Curated OER
Reacting Masses Problems
In this chemical reactions learning exercise, students follow steps to determine the mass of compounds formed by the combustion of an element. This learning exercise has 5 problems to solve.
Curated OER
Chemical Equations and Stoichiometry
In this chemical equations instructional activity, students calculate how many grams are used to in the equation written as well as the grams formed in the chemical equation. Students identify the limiting reagent in some of the chemical...
Curated OER
Limiting Reagent Practice Problems
For this limiting reagents worksheet, students solve 10 problems. They calculate limiting reagents, they calculate percent yield of particular compounds and they determine how much of products can be produced based on the limiting reagents.