Classroom Resources: Reactions & Stoichiometry


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51 – 75 of 161 Classroom Resources

  • Balancing Equations, Combustion, Stoichiometry | High School

    Activity: Calculating Your Carbon Footprint

    In this lesson, students apply their knowledge of writing and balancing chemical equations and stoichiometry calculations to estimate their carbon footprint. Students are also asked to reflect on their carbon footprint and what it means.

  • Concentration, Reversible Reactions, Le Châtelier's Principle | High School

    Lab: Le Chatelier’s Soda

    In this lab, students will observe how the equilibrium of a chemical reaction is affected when a change in pressure, temperature, and concentration is applied to the system.

  • Acid Base Reactions, Stoichiometry, Percent Composition, Titrations, Indicators | High School

    Lab: The Egg-straordinary Issue

    In this lab students will determine the percent composition of calcium carbonate contained in an eggshell by using a back titration in order to address a farmer’s concerns about his hen’s fragile eggs. Two versions of the student lab are included, a scripted version, and an inquiry version.

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

    Activity: Balancing Legos

    In this activity students use Legos to model the reactants and products in a chemical reaction. They use these “atoms” and “molecules” to balance the chemical reaction in order to demonstrate the law of conservation of matter.

  • Molecular Formula, Balancing Equations, Conservation of Mass | Middle School, High School

    Lesson Plan: Counting Atoms & Balancing Equations

    In this lesson, students will learn how to count atoms and how to balance chemical equations using videos, simulations and games.

  • Classification of Reactions, Heat, Temperature, Exothermic & Endothermic | Middle School, High School

    Lab: Determining Endothermic and Exothermic Reaction

    In this lab, students will analyze evidence to determine if a chemical reaction releases energy and can be classified as an exothermic reaction or if it absorbs energy and can be classified as an endothermic reaction.

  • Chemical Change, Exothermic & Endothermic | High School

    Lab: Little Miss Muffet

    In this lab, students make homemade glue from milk and compare it to commercial glue.

  • Gas Laws, Stoichiometry | High School

    Lab: Carbonate Identification

    In this lab students use gas laws and stoichiometry, along with some balloons and simple measuring tools, to identify a metal carbonate from a short list of possibilities.

  • Naming Compounds, Molecular Formula, Covalent Bonding, Ionic Bonding, Stoichiometry, Classification of Reactions, Limiting Reactant | High School

    Activity: Isn't it Ionic

    In this activity students will form ionic compounds and covalent compounds using clues and questions. Students are going to then develop their own stoichiometric problems and have other groups attempt to solve it.

  • Chemical Change, Physical Change, Conservation of Mass, Chemical Change | Middle School, High School

    Lab: Chemistry in a Bag

    In this lab, students will observe and identify chemical and physical changes contained inside a plastic bag. Students will also use this lab to understand the Law of Conservation of Mass.

  • Acid Base Reactions, Stoichiometry, Limiting Reactant | High School

    Lab: Fizzy Drink

    In this lab, students will learn the properties of acid and bases while applying the principles of stoichiometry to calculate the amount of base needed to neutralize an acid completely and produce a bubbly drink.

  • Observations, Chemical Change, Conservation of Mass, Stoichiometry, Conservation of Mass, Limiting Reactant, Chemical Change | High School

    Demonstration: Understanding Limiting Reactants

    In this demonstration, the teacher will perform a series of reactions between acetic acid (vinegar) and varying amounts of sodium bicarbonate (baking soda) in order to inflate several balloons. Students will observe the reactions and analyze the quantities of reactants used as well as the results in order to understand the concept of limiting reactants.

  • Chemical Change, Physical Change, Chemical Change | Elementary School, Middle School, High School

    Lab: Chemical and Physical Changes

    In this lab, students will observe and analyze a number of examples in order to determine if a chemical or physical change occurred.

  • Chemical Change, Phase Changes, Interdisciplinary, Culminating Project, Conservation of Mass, Chemical Change | Middle School, High School

    Project: Law of Conservation of Mass Comic Strip

    In this project, students will work in groups to create a comic strip that illustrates understanding of the law of conservation of mass.

  • Stoichiometry, Limiting Reactant, Dimensional Analysis | High School

    Lesson Plan: Map to Solving Limiting Reactant Problems

    In this lesson, students will learn how to follow a step-by-step problem solving method for limiting reactant stoichiometry problems. This method can be particularly beneficial for students who struggle with completing these calculations.

  • Classification of Reactions, Chemical Change, Temperature, Exothermic & Endothermic, Activation Energy, Energy Diagrams, Bond Energy | Middle School, High School

    Activity: Simulation Activity: Energy Changes in Chemical Reactions

    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.

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

    Activity: Simulation Activity: Balancing Chemical Equations

    In this activity, students will learn how to count atoms and how to balance chemical equations using a simulation and games from PhET Interactive Simulations.

  • Combustion, Heat, Exothermic & Endothermic, Heat of Combustion | Elementary School, Middle School, High School

    Video: The Internal Combustion Engine Video

    This video investigates both the mechanical and the chemical processes used in the internal combustion engine, as well as the history and evolution of the combustion engine.

  • Precipitate, Balancing Equations, Solubility Rules | High School

    Animation: Net Ionic Equations Animation

    In this animation, students will witness a precipitate reaction on the particulate level to understand why a net ionic equation represents what happens in these reaction types. An example of diluting a soluble solid, mixing two aqueous reactants that yield aqueous products, and mixing two aqueous reactants that yield a precipitate are part of this animation. **This video has no audio**

  • Stoichiometry, Conservation of Mass, Limiting Reactant, Mole Concept | High School

    Animation: Limiting Reactant Animation

    In this animation, students will visualize on the particulate level what happens in a limiting reactant problem. A number of limiting reactant scenarios are animated, including a simple example of how to build a bike to introduce the concept of limiting reactant. Conservation of mass is also demonstrated by calculating masses from the mole quantities of the reactants and products. **This video has no audio**

  • Catalysts, Reduction, Combustion, Redox Reaction, Activation Energy, Oxidation | Elementary School, Middle School, High School

    Video: Catalytic Converters Video

    This video investigates the role of a catalytic converter and its corresponding chemical reactions within a vehicle. Students will learn about both oxidation and reduction reactions and how they, in combination with a catalyst, can impact the molecules released in a car’s exhaust.

  • Balancing Equations, Reduction, Electrolysis, Redox Reaction, Exothermic & Endothermic, Oxidation, Half Reactions, Cathode, Anode, Electron Transfer | High School

    Lab: Electrolysis of Water

    In this lab, students will perform the electrolysis of water using a battery, test tubes, thumbtacks, and a plastic cup.

  • Reduction, Redox Reaction, Classification of Reactions, Chemical Change, Functional Groups | High School

    Lab: Silver Test Tube Holiday Ornament

    In this lab, students will carry out a reduction reaction in order to create a silver-plated test tube that can be used as a holiday ornament.

  • Observations, Chemical Change, Interdisciplinary, Acid Base Reactions, Classification of Reactions, Chemical Change, Acid Rain, pH | High School

    Activity: Investigating Acid Rain

    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.

  • Chemical Change, Concentration, Acid Base Reactions, Molarity, Chemical Change, Indicators, Acid Rain, pH, Equivalence Point | High School

    Lab: Seeing the Effects of Acid Rain

    In this lesson, students will prepare an environment and make acid rain to see how the acid rain effects the items in the environment.

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