Classroom Resources: Reactions & Stoichiometry
51 – 75 of 131 Classroom Resources
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Classification of Reactions, Chemical Change, Balancing Equations, Acid Base Reactions | Middle School, High School
Activity: Animation Activity: Classifying Chemical Reactions Mark as Favorite (56 Favorites)
In this activity, students will view an animation that explores some of the ways to classify different types of chemical reactions. The animation covers synthesis (combination), decomposition, single replacement (single displacement), double replacement (double displacement), combustion, and acid-base neutralization reactions.
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Classification of Reactions, Chemical Change, Balancing Equations, Acid Base Reactions, Combustion | Middle School, High School
Animation: Classifying Chemical Reactions Animation Mark as Favorite (49 Favorites)
This animation explores some of the ways to classify different types of chemical reactions. It covers synthesis (combination), decomposition, single replacement (single displacement), double replacement (double displacement), combustion, and acid-base neutralization reactions. This animation was featured in the November 2020 issue of Chemistry Solutions. **This video has no audio**
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Chemical Change, Chemical Change, Observations | Elementary School, Middle School
Lab: It's Alive Mark as Favorite (0 Favorites)
In this lab, students will practice making and recording observations, analyzing data, and identifying chemical change. They will transfer dirt, germs, and bacteria from their hands onto a piece of white bread and observe the changes that occur during the following days. Students will analyze the results, make comparisons between clean and dirty samples of bread and learn about the importance of hand-cleaning.
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Chemical Change, Exothermic & Endothermic, Acid Base Reactions, Chemical Change | Elementary School
Demonstration: Comparing Chemical Reactions Mark as Favorite (7 Favorites)
In this demonstration, the teacher will perform two chemical reactions, one will be between acetic acid (vinegar) and sodium bicarbonate (baking soda) and the other will be between Alka-Seltzer and water. Both reactions will produce gas and will be conducted in a Ziploc bag, causing it to inflate. Students will observe the reactions and analyze the results in order to understand indicators of chemical change. Students will also determine that these are both endothermic reactions based on their observations.
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Chemical Change, Error Analysis, History, Exothermic & Endothermic, Chemical Change | Middle School
Lesson Plan: The Chemistry of Casts Mark as Favorite (7 Favorites)
In this lesson, students will learn about the history of the chemistry involved in creating orthopedic casts. Students will then work in small groups to conduct a hands-on experiment in which they will determine the optimum plaster of Paris to water ratio for model casts.
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Physical Change, Chemical Change, Observations, Chemical Change, Radioactive Isotopes | High School
Activity: Physical, Chemical and Nuclear Changes Mark as Favorite (68 Favorites)
In this activity, students will analyze the representation of physical, chemical, and nuclear changes in four ways: submicroscopic (particle diagrams), symbolic (equations), macroscopic (observations), and linguistic (vocabulary words). This self-guided activity is designed to ensure that students internalize fundamental chemistry concepts that will serve as a meaningful basis for future learning about matter and its changes.
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Chemical Change, Observations, Chemical Change, Oxidation | Elementary School
Demonstration: Apple's Oxidation Mark as Favorite (2 Favorites)
In this lab students will learn about the chemical reaction, oxidation, using apple wedges. They will apply different substances to a number of apple wedges to determine if these applications have any impact on the oxidation process. Students will also use a control sample so that they compare their results with an apple wedge that has not had any substance added to it. Students will measure and record the time it takes to see the changes to the apple which indicate oxidation. 3-46
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Chemical Change, Chemical Change, Observations, Acid Base Reactions, Chemical Change | Elementary School
Lesson Plan: The Chemistry of Eggs Mark as Favorite (1 Favorite)
In this lesson students will learn that vinegar can react with the Calcium in an egg shell to make it rubbery. First, the students will listen to the teacher read a book about eggs. The teacher will then put an egg in a jar with vinegar and let it set for two days. Students will make a prediction about what they think will happen to the egg, and then together they will investigate the final results.
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Exothermic & Endothermic, Classification of Reactions, Energy Diagrams, Bond Energy, Activation Energy, Temperature, Chemical Change | Middle School, High School
Activity: Simulation Activity: Energy Changes in Chemical Reactions Mark as Favorite (96 Favorites)
In this simulation, students will evaluate the energy changes in an endothermic and an exothermic chemical reaction. Through the use of this simulation students will have the opportunity to compare how energy is absorbed and released in each reaction. Additionally, students will make a connection between the standard energy diagrams associated with each reaction type.
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Chemical Change, Phase Changes, Combustion, Observations | Elementary School, Middle School
Demonstration: The Jumping Flame Mark as Favorite (5 Favorites)
In this demonstration, students will observe that the vapor of an extinguished candle flame is ignitable.
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Conservation of Mass, Renewable Energy, Balancing Equations, Chemical Change, Functional Groups, Molecular Structure | High School
Lab: Soap or Fuel? Mark as Favorite (31 Favorites)
In this lab, students will transform vegetable oil into a soft soap and into biodiesel fuel. The two reactions emphasize that the products of a chemical reaction are under the control of the chemist. By noting the relationship of the reaction product to the reactants, students will gain a deeper understanding of the law of conservation of matter.
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Conservation of Matter, Chemical Change, Photosynthesis, Balancing Equations, Reversible Reactions, Molecular Formula, Molecular Structure, Conservation of Mass, Interdisciplinary, Matter, Elements, Monomer | Elementary School
Lesson Plan: Plant Chemistry Mark as Favorite (1 Favorite)
In this lesson, students will explore a simple, but key, biochemical reaction: photosynthesis.
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Density, Density, Chemical Change, Observations, Chemical Change, Combustion | Elementary School, Middle School
Demonstration: Investigating Gas Density Mark as Favorite (8 Favorites)
In this demonstration, students will observe a reaction between baking soda and vinegar in the presence of a burning candle. The initial environment has plenty of oxygen present in order to sustain the candle’s flame; however the reaction will produce carbon dioxide which will cause the lit candle to extinguish. Students will analyze the outcome and compare the presence of the gases in the container and make determinations about the densities of each.
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Chemical Change, Physical Change, Observations, Molecular Structure, Lewis Structures, Polarity, Chemical Change | High School
Lab: DIY Triiodide Mark as Favorite (22 Favorites)
In this lab, students will investigate how iodine interacts with various substances. They will use color changes to justify whether a chemical or physical change is taking place. This activity is referenced in the October 2019 ChemMatters article called “Cash, Chemistry, and Counterfeiting.”
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Combustion, Chemical Change, Chemical Change, Density, Kinetic Molecular Theory, Density | High School
Demonstration: Liquid and Gas Burning Comparison Mark as Favorite (7 Favorites)
In this demo, students will witness the burning of a substance in its gas and in its liquid states. They will carry out the demonstrations themselves, and compare the results of the two reactions.
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Chemical Change, Chemical Change, Observations | High School, Middle School
Lab: Corrosion in Motion Mark as Favorite (6 Favorites)
In this lab, students will expose metal samples to various solutions and observe the amount of corrosion of a period of time.
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Chemical Change, Reaction Rate, Reaction Rate, Phase Changes | Elementary School
Demonstration: Plop & Fizz Investigation Mark as Favorite (2 Favorites)
In the demonstration the teacher will perform a reaction between water and Alka-Seltzer in order to generate the release of carbon dioxide. Students will observe the chemical reaction, while timing the release of carbon dioxide and observe 3 states of matter. This will be repeated 3 times, each time increasing the number of tablets used.
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Chemical Change, Conservation of Matter, Identifying an Unknown, Culminating Project, Elements | Middle School
Lab: Priestley Labs Mark as Favorite (3 Favorites)
In this lab, students will identify an unknown gas based on experimental evidence.
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Precipitate, Chemistry Basics, Solubility Rules, Balancing Equations, Chemical Change, Chemical Change | High School, Middle School
Lab: Predicting Precipitates Mark as Favorite (30 Favorites)
In this lab, students use solubility rules to predict which chemical reactions will produce precipitates.
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Activity Series, Chemical Change, Electrons, Electron Transfer, Balancing Equations, Chemical Change, Predicting Products, Observations, Acid Base Reactions | High School
Simulation: Metals In Aqueous Solutions Mark as Favorite (121 Favorites)
In this activity, students will run simulated tests of various metals in aqueous solutions to determine the relative reactivity of these metals. A total of eight metals will be observed in various combinations with the corresponding metal nitrate solutions and hydrochloric acid. Students will interpret the data collected to construct an activity series of the elements used in this simulation.
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Exothermic & Endothermic, Classification of Reactions, Energy Diagrams, Bond Energy, Activation Energy, Temperature, Chemical Change | Middle School, High School
Simulation: Energy Changes in Chemical Reactions Mark as Favorite (44 Favorites)
In the November 2016 simulation, students will evaluate the energy changes in an endothermic and an exothermic chemical reaction. Students will have the opportunity to compare how energy is absorbed and released in each reaction, and will make a connection between the standard energy diagrams associated with each reaction type.
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Chemical Change | High School
Demonstration: Creating Light with Luminol Mark as Favorite (7 Favorites)
In this demonstration, students will observe a chemical reaction that releases energy in the form of light, demonstrating chemiluminescence.
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Activity Series, Redox Reaction, Half Reactions, Oxidation, Reduction, Chemical Change, Predicting Products | High School
Lab: The Corrosion of Iron Mark as Favorite (13 Favorites)
In this lab, students will investigate the process of corrosion, a redox reaction, by analyzing how iron nails react in varied environments. Students will combine their prior knowledge with research about the reactivity of metals to make predictions in advance of the lab investigation.
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Acid Rain, Chemical Change, Acid Base Reactions, pH, Chemical Change, Classification of Reactions, Observations, Interdisciplinary | High School
Activity: Investigating Acid Rain Mark as Favorite (28 Favorites)
In this activity, students will investigate the chemistry of acid rain through web based research. Students will also have the opportunity to observe the reaction between a common acid and a material in a week long simulation and relate their findings to the effects of acid rain.
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Stoichiometry, Balancing Equations, Predicting Products, Chemical Change, Mole Concept, Dimensional Analysis, Measurements, Chemical Change, Culminating Project | High School
Project: Chemical Reaction Soda Bottle Boat Race Mark as Favorite (98 Favorites)
In this project, students will design and build a soda bottle boat with the goal of having the fastest boat to get to the other end of the rain gutter racetrack. Students will have to complete stoichiometric calculations to determine an appropriate amount of “fuel” (baking soda + vinegar) to power their boat.