Classroom Resources: Reactions & Stoichiometry


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  • Observations, Chemical Change, Balancing Equations, Activity Series, Chemical Change, Predicting Products | High School

    Lab: Activity Series of Unknown Metals

    In this lab, students will create an activity series of metals from a series of reactions involving unknown metals. They will then compare their activity series and a list of metals used in this lab (supplied by the teacher after data collection) to a published activity series to identify the unknown metals.

  • Observations, Chemical Change, Physical Change, Chemical Change, Mixtures, pH | Elementary School

    Demonstration: The Chemistry of Cheese

    In this demonstration, students will observe the chemical process that occurs when making cheese. Students will be become more familiar with fundamental chemistry terms while making important observations.

  • Observations, Chemical Change, Acid Base Reactions, Balancing Equations, Activity Series, Chemical Change, Electron Transfer, Electrons, Predicting Products | High School

    Simulation: Metals In Aqueous Solutions

    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.

  • Observations, Chemical Change, Balancing Equations, Activity Series, Chemical Change, Electron Transfer, Electrons, Predicting Products | High School

    Activity: Simulation Activity: Metals in Aqueous Solutions

    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.

  • Chemical Change, Volume | Elementary School, Middle School

    Lab: Air Bag Design Challenge

    In this lab, students will learn how chemistry is used in air bags. Students will model the inflation of an air bag by performing a series of reactions using baking soda and vinegar in a Ziploc bag. During this investigation, students will see that there is a relationship between the inflation size of the bag and the amount of reactants used. Finally, students will be challenged to design an air bag that can help an egg endure a crash test.

  • Acid Base Reactions, Balancing Equations, Combustion, Classification of Reactions, Chemical Change | Middle School, High School

    Animation: Classifying Chemical Reactions Animation

    In this animation, students will learn about 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.

  • Acid Base Reactions, Balancing Equations, Classification of Reactions, Chemical Change | Middle School, High School

    Activity: Animation Activity: Classifying Chemical Reactions

    In this activity, students will learn about 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.

  • Interdisciplinary, Chemical Change, Molecular Structure , Functional Groups, Experimental Design | High School

    Lab: Designing Biomimetic Songbird Preen Oil from Waste Cooking Oil

    In this guided-inquiry lab, students will design and test a procedure reacting waste cooking oil in a blue cheese slurry to create a substance that mimics songbird preen oil, which is both antibacterial and hydrophobic. Students will convert the fatty acids in waste oil to methyl ketones, thought to be the principal antibacterial component of preen oil, using the P. roqueforti mold found in blue cheese. Students will expand their knowledge of biomimicry, inherent properties of preen oil, and chemical synthesis by applying the principles of green chemistry. They will also assess their own process through higher-order problem solving and building on their scientific research skills.

  • Chemical Change, Temperature, Exothermic & Endothermic, Heat of Combustion | Middle School

    Lesson Plan: Chemical Volcanoes - A Tale of Two Reactions

    In this lesson, students will use volcanoes as a vehicle to learn about the differences between endothermic and exothermic reactions by completing a hands-on activities and observing a teacher-led demonstration.

  • Chemical Change, Reaction Rate, Chemical Change, Heat, Temperature, Exothermic & Endothermic | High School

    Lab: A Comparison of Two Chemical Reactions

    In this lab, students will perform two chemical reactions, one between acetic acid and sodium bicarbonate and the other between the citric acid and the sodium bicarbonate in an Alka-Seltzer tablet when dissolved in water. Both reactions will produce gas while reacting in a closed plastic sandwich bag, causing it to inflate. Students will observe the reactions and analyze the results in order to understand indicators of chemical changes, heat flow, and factors that affect reaction rates

  • Observations, Chemical Change, Activity Series, Chemical Change, Predicting Products | High School

    Project: Wastewater Recovery

    In this project, students will analyze test results in order to design a procedure for recovering certain metals from wastewater using their knowledge of the Activity Series of Metals and single replacement reactions. Based on their analysis, students will create a proposal for presentation in an effort to recommend the best plan for reclaiming the metals from the wastewater.

  • Observations, Chemical Change, Polarity, Physical Change, Molecular Structure, Chemical Change, Lewis Structures | High School

    Lab: DIY Triiodide

    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.”

  • Concentration, Identifying an Unknown, Molarity, Balancing Equations, Classification of Reactions, Chemical Change | High School

    Lab: An Environmental Impact Study

    In this lab, students will test a water sample which comes from a local zoo, where, it is reported that many bird eggs are not hatching. Students will test the water for the presence of multiple ions. Once the type of ion in the water is determined, students will write balanced equations to illustrate their findings. Students will also conduct a serial dilution to determine the concentration, or molarity, of the ion in the water sample. This molarity will be compared to known values to determine if the materials in the water are at an unhealthy level.

  • Balancing Equations, Conservation of Mass, Chemical Change | Middle School, High School

    Demonstration: Identifying Chemical Reactions

    In this demonstration, students observe a series of teacher led demonstrations to learn how to identify evidence that a chemical reaction has occurred, how to write a word equation to explain a chemical reaction, and how to convert a word equation to a balanced chemical equation.

  • Chemical Change, Physical Change, Activity Series, Redox Reaction, Chemical Change | High School

    Demonstration: Understanding the Discrepant Reactivity of Copper in the Presence of Strong Acids

    In this demonstration, students practice their observation skills during the additions of different acids to two test tubes containing copper. The activity is structured to allow students to make thoughtful remarks about what they observe, using rich indicators of both chemical and physical properties and changes. In subsequent lessons on new concepts, students can reflect back on their observations to rationalize the discrepant results of the reactions in the demonstration.

  • Balancing Equations, Combustion, Conservation of Mass, Classification of Reactions, Reversible Reactions, Chemical Change | High School

    Lesson Plan: Chemical Equations Unit Plan

    The AACT high school classroom resource library has everything you need to put together a unit plan for your classroom: lessons, activities, labs, projects, videos, simulations, and animations. We constructed a unit plan using AACT resources that is designed to teach Chemical Equations to your students.

  • Observations, Chemical Change, Acid Base Reactions, Chemical Change | Middle School, High School

    Lab: How do Sinkholes Form?

    In this lab students will learn how acidic groundwater reacts with limestone, causing it to erode. Sinkholes form when eroded limestone underneath the surface of the earth can no longer support the ground above it. Students will test how acid reacts with a variety of rocks and determine which rocks would be best to build a city on top of in order to reduce the chance of sinkholes forming.

  • Observations, Chemical Change, Chemical Change | Elementary School, Middle School

    Lab: It's Alive

    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.

  • Observations, Chemical Change, Physical Change, Chemical Change, Indicators | Elementary School

    Lesson Plan: Explorations of Baking Soda and Vinegar

    In this lesson, students complete a series of simple lab experiments to better understand chemical reactions as well as differentiate between chemical change and physical change. Students will also be introduced to the pH scale, and have the opportunity to understand how chemical reactions can be used in real-world scenarios.

  • Net Ionic Equation, Classification of Reactions, Chemical Change, Solubility Rules | High School

    Demonstration: Precipitation Reaction

    In this demonstration, students will observe a precipitation reaction. Students will create several particle diagrams in order to describe and fully understand what is occurring on the atomic level during the chemical reaction.

  • Precipitate, Reaction Rate, Reduction, Redox Reaction, Chemical Change, Oxidation, Solubility Rules | High School

    Lesson Plan: Removing Copper Stains from Masonry

    In this lab, students investigate the use of milk of magnesia poultice to remove copper stains on masonry in copper architecture. They use chalk as the model for masonry, copper(II) chloride solution as a model for soluble copper and a freshly prepared slurry of copper phosphate as a model for a hard stain of copper on masonry. Through a series of investigations students have the opportunity to connect chemistry topics with real-world applications, such as environmental hazards, engineering practices of copper architecture, corrosion control, and structural protection.

  • Concentration, Reaction Rate, Reduction, Redox Reaction, Chemical Change, Oxidation, Beer's Law | High School

    Lesson Plan: Rustbusters! A Lab Activity on Corrosion

    In this lesson students learn about factors affecting the rate of corrosion and evaluate the efficiency of different protective coatings to simulate products used in industry when building metal structures like ships or bridges.

  • Balancing Equations, Reduction, Activity Series, Redox Reaction, Chemical Change, Oxidation | High School

    Lesson Plan: Single Displacement Reactions with Test Tube Diagrams

    In this lesson students will perform and analyze two single displacement reactions and prepare and manipulate Test Tube Diagrams to depict the activity at the molecular level. Using manipulatives representing individual ions, atoms and molecules for the various reactants and products, they will accurately represent species in the solid, gaseous and aqueous states by correlating the Test Tube Diagram to the complete ionic equation for each reaction. They will determine the reactants and products responsible for color, as well as identify which species is oxidized and which is reduced.

  • Reaction Rate, Reaction Rate, Chemical Change | Middle School, High School

    Demonstration: Comparing Rates of Reaction

    In this demonstration, students observe the effect of temperature, concentration, and particle size on the rate of a chemical reaction.

  • Chemical Change, Exothermic & Endothermic | Elementary School, Middle School

    Demonstration: Giant Toothpaste

    In this demonstration, students will identify factors that indicate a chemical change has occurred while observing the production of giant toothpaste. This reaction uses simpler materials than those that are often used in the typical high school version of the Elephant’s toothpaste demonstration.

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