Curated OER
2004 U.S. National Chemistry Olympiad Part I
In this chemistry worksheet, test takers answer 60 multiple choice questions on topics related to chemistry from balancing equations to calculating moles and molecules of compounds. They name formulas, they convert, they solve problems...
Texas State Energy Conservation Office
Investigation: Chemical Models
Science teams make models of four different hydrocarbon compounds that we commonly use for fuel. Then they demonstrate chemical reactions that result when energy is produced. This can be used as an enrichment when your class is studying...
Curated OER
Chemical Reactions
For this chemical reactions worksheet, students identify the type of chemical reaction given and then balance the equations. This worksheet has 10 problems to solve.
Curated OER
Physical and Chemical Changes and Balancing Chemical Equations
In this changes worksheet, young scholars compare and contrast the characteristics of physical and chemical changes. Students practice balancing equations. This worksheet has 5 fill in the blank and 7 short answer questions.
Curated OER
Chemical Reactions
In this chemical reactions worksheet, students identify the type of chemical reaction and balance the equation for 10 chemical reactions.
Curated OER
Oxidation and Combustion: Chemical Reactions in Fire
Students investigate the art and science of pyrotechnics. In this chemistry and computer lesson plan, students learn about the chemical basis of fire and structure of fireworks. Students then apply their knowledge...
CK-12 Foundation
Crash
Explore the chemistry behind the airbags that keep you safe in a collision. Using a simulation, your classes find the best gas to use to inflate an airbag. The simulation shows the time it takes to inflate to a maximum volume....
Pingry School
Kinetics of the Acid Decomposition of Thiosulfate
Several factors affect the rate of a chemical reaction including temperature, surface area, and concentration. Using an experimental approach, learners explore the effect concentration has on this rate while maintaining consistency with...
Royal Society of Chemistry
Lead Compounds: Precipitation Reactions and Pigments—Microscale Chemistry
Colorful lead compounds never fail to impress! Solubility scholars examine a series of double replacement reactions involving lead nitrate and record their observations. The second part of the experiment illustrates the differences...
Curated OER
The Math of Science-Balancing Chemical Equations
In this balancing equations worksheet, students are given directions as to how to balance equations and they practice what they learned. They complete three equations by placing the proper coefficients in front of the reactants and...
Curated OER
Predicting Products of Reactions
This two-part Chemistry instructional activity first prompts students to predict the products of reactions of two different chemicals in 15 questions. Students are then asked to provide the balanced equation and type of reaction for two...
PhET
Reactants, Products and Leftovers
Did you know when you mix the reactants sulfur, tungsten, and silver, you get the products SWAg? The simulation begins with making sandwiches, to show pupils reactants and products of something familiar. They then can make water,...
Curated OER
Balancing Equations
In this chemical equations worksheet, students practice balancing equations with the given reactants and products. This worksheet has 12 problems to solve.
Curated OER
Matter and Energy
Does the change in energy of matter lead to a change in mass? Upcoming chemists compare the mass of equal-volume, but different-temperature liquids and materials both before and after a chemical reaction has occurred. In another...
Curated OER
Balancing Equations
For this chemical equations worksheet, students review the rules in balancing equations and then balance 11 chemical reactions.
Curated OER
Balancing Equations
In this chemical equations worksheet, students review the steps to balancing equations and then complete a graphic organizer by balancing 10 chemical reactions.
Chymist
Writing Chemical Equations
Communicate chemistry clearly with a concise guide to writing chemical equations. It covers everything from the parts of a chemical equation to the different types of reactions that budding chemists may encounter.
Santa Monica College
Mole Ratios and Reaction Stoichiometry
Stoichiometry sounds complicated, but it really means the study of the amount of substances involved in a reaction. The sixth lesson in an 11-part series has scholars use stoichiometry to find the theoretical yield of a reaction. Then,...
CK-12 Foundation
Hotpack - Coldpack
Chemistry can help athletes and others protect and treat injuries. Use the interactive activity to explore the chemical reactions in instant hot and coldpacks. Learners manipulate the type of salt in the pack and watch the reaction take...
Curated OER
Balancing Act
In this balancing chemical equations worksheet, learners learn how to use coefficients to balance chemical equations. They practice balancing 7 equations and are given one challenge equation to balance.
Beyond Benign
Stoichiometry Challenge
Have you been searching for environmentally friendly chemistry experiments to use in your high school laboratory? This stoichiometry experiment replaces a conventional aluminum to alum lab by using sodium carbonate and calcium...
Curated OER
Balancing Act
In this chemical equation worksheet, learners learn about atoms, elements and how to balance chemical equations. They walk through a few problems step by step, and then students attempt to complete some on their own. In total, there are...
Curated OER
Stiochiometry: Quantifying Changes in the Environment
Young scholars examine stoichiometry. In this chemical reaction and mole lesson, students complete an experiment based on readiness levels to explore that changes are quantified in chemical reactions.
Curated OER
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...