Curated OER
Gas Stoichiometry
In this gas stoichiometry worksheet, learners use the ideal gas law and balanced chemical equations to solve for unknown values such as volume and mass of gases.
Curated OER
Product Formation Homework
In this product formation worksheet, students are given the reactants for 6 chemical equations and they determine if the products will form. They write a balanced chemical reaction for a double replacement reaction as well as the ionic...
Curated OER
Using Rocks and Ores Worksheet
In this chemistry instructional activity, learners answer 15 short answer questions about rocks and ores. They explore write balanced chemical reactions from word equations given.
Curated OER
Stoichiometry
In this stoichiometry worksheet, learners 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
Are You Balanced With Your Environment?
Young scholars discuss the impact of not keeping the environment in balance for future generations. As a class, they are introduced to the concept of "Balance of Nature" and what it means. In groups, they research the role of trees and...
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.
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Limiting Reagents
In this limiting reagents learning exercise, students determine the limiting reagent , theoretical yield, and grams of excess reagent for chemical reactions. This learning exercise has 2 problems to solve.
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Chemical Families Quiz
In this chemical families instructional activity, students answer 8 multiple choice questions including identifying characteristics of families in the periodic table and answering specifics about each family.
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Composition of Fuels -- Chemical Models Investigation
Students construct models of alternative fuel molecules and record their molecular formulas. They participate in a lab activity in which they demonstrate the chemical reactions that take place. They balance chemical equations.
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...
Curated OER
Establishing a Baseline Ecology of a Creek Ecosystem
Students investigate the physical, chemical and biological parameters necessary to establish an ecological baseline. Establishing an ecological baseline not only shows the ecological characteristics of a creek but makes the possible...
Curated OER
Equilibrium: What Is It?
Tenth graders investigate chemical, physical and mechanical equilibrium. In this equilibrium instructional activity, 10th graders participate in a physical activity to show equilibrium by some students standing and some students sitting...
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Hess's Law
Pupils solve chemical equations. In this chemistry lesson, they balance chemical equations after completing a lab. They can use a TI for this assignment.
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Chemical Equations and Stoichiometry
In this chemical equations worksheet, 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 equations....
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Sample Midyear Examination (Chemistry and Biology)
A 12-page midterm exam sample can be given to young scientists in preparation for an exam. This particular installment is geared toward a class that delves into both ecology and chemistry concepts. There is no way to separate the 50...
Santa Monica College
Introducing Measurements in the Laboratory
We use basic units of measurement to break down things and communicate clearly. The first instructional activity in an 11-part series teaches the proper way to measure various items. It starts simply with measuring the dimensions and...
Curated OER
Close Encounters
Students investigate the cause of death of a fictitious school janitor. They develop hypotheses based on information discovered by examining the labels of household chemicals.
Curated OER
Dental Chemistry Analogy
After taking in background information on teeth, marble, eggshell, and fluoride, chemistry aces design an experiment. Their goal is to demonstrate whether or not fluoride has a similar effect on marble or eggshell as it does on tooth...
American Chemical Society
Comparing the Density of an Object to the Density of Water
Investigators construct a makeshift balance and compare equal volumes of wax and water. They do the same for clay and water. Then they discover whether the wax and clay will float or sink in water. Ultimately this is a comparison of...
Texas State Energy Conservation Office
Nuts! Calculating Thermal Efficiency
Oh nuts! Do macadamias or almonds produce more thermal energy? Energy enthusiasts find out with this experiment. The objective is to demonstrate to your class how the chemical energy contained in foods can be converted into useable...
Curated OER
Chemical Reactions
In this reactions worksheet, young scholars state the differences between a coefficient and subscript and an exothermic and endothermic reaction. Students review the different types of reactions. This worksheet has 13 short answer...
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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...
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2004 U.S. National Chemistry Olympiad - Local Section Exam
In this National Olympiad exam worksheet, chemistry apprentices answer sixty multiple choice questions including general chemistry topics such as atomic structure, gases, problem solving, writing and balancing equations and solutions....
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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.