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
Calculating Rates
In this rates worksheet, students determine the rate of production or consumption for given reactions. Students write chemical equations in complete ionic form or net-ionic form. This worksheet has 6 problems to solve.
Curated OER
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.
Curated OER
Gas Stoichiometry
In this gas stoichiometry worksheet, students 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
For this product formation worksheet, learners 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 worksheet, students answer 15 short answer questions about rocks and ores. They explore write balanced chemical reactions from word equations given.
Curated OER
Stoichiometry
For 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
Are You Balanced With Your Environment?
Students 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 how to...
Curated OER
Types of Chemical Reactions
For this chemical reactions worksheet, high schoolers 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...
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Limiting Reagents
For this limiting reagents worksheet, students determine the limiting reagent , theoretical yield, and grams of excess reagent for chemical reactions. This worksheet has 2 problems to solve.
Curated OER
Chemical Families Quiz
In this chemical families worksheet, learners answer 8 multiple choice questions including identifying characteristics of families in the periodic table and answering specifics about each family.
Curated OER
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 lesson, 10th graders participate in a physical activity to show equilibrium by some students standing and some students sitting at the same...
Curated OER
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.
Curated OER
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....
Curated OER
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 lesson in an 11-part series teaches the proper way to measure various items. It starts simply with measuring the dimensions and areas of geometric...
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...