Classroom Resources: Reactions & Stoichiometry


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26 – 50 of 83 Classroom Resources

  • 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.

  • Observations, Catalysts, Classification of Reactions, Chemical Change | Middle School, High School

    Demonstration: Catalyst in Motion

    This demonstration allows students to visualize how a catalyst can impact a chemical reaction. Students will also identify the products of a decomposition reaction, as well as determine if the reaction was endothermic or exothermic based on their observations.

  • Classification of Reactions, Chemical Change, Activity Series | High School

    Lab: Investigating the Activity Series of Metals

    In this lab, students will create an activity series of metals and predict whether or not single replacement reactions are likely to occur.

  • 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.

  • Physical Change, Chemical 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.

  • Observations, Conservation of Mass, Chemical Change, 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.

  • Physical Change, Chemical 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.

  • Phase Changes, Interdisciplinary, Culminating Project, Chemical Change, 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.

  • Classification of Reactions, Chemical Change, Exothermic & Endothermic, Temperature, 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.

  • Density, Density, Chemical Change, Combustion, Chemical Change, Kinetic Molecular Theory | High School

    Demonstration: Liquid and Gas Burning Comparison

    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.

  • Balancing Equations, Percent Yield, Stoichiometry, Limiting Reactant, Chemical Change, Dimensional Analysis, Acid Base Reactions, Error Analysis, pH | High School

    Lab: Limiting Reactant in a Balloon

    In this lab, students perform a reaction between acetic acid and sodium bicarbonate and determine the amount of product formed and the limiting reactant.

  • Concentration, Molarity, Stoichiometry, Limiting Reactant, Chemical Change, Exothermic & Endothermic, Calorimetry, Heat, Temperature, Scientific Method, Enthalpy, Experimental Design | High School

    Lab: Less Than Zero

    In this lab, students will investigate the endothermic reaction between baking soda and HCl. Students will consider stoichiometric ratios, molar concentrations, reaction scale, and calorimetry. The lab starts with a scripted reaction that uses given molar ratios, a glass beaker, and 2-M HCl. They will witness a temperature drop of about 5 to 8 C. Students then adjust the experiment so they can achieve a temperature drop of more than 20 C.

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

    Demonstration: Potassium Permanganate Demo

    In this demo, students witness two chemicals that take some time to react. The KMnO4 and glycerin come into contact and appear not to react, but then a flame results. This is an example of an exothermic redox reaction.

  • Observations, Chemical Change, Conservation of Mass, Chemical Change, Exothermic & Endothermic, Heat, Temperature | Middle School, High School

    Lab: Kitchen Reaction

    In this lab students will observe an endothermic chemical reaction involving baking soda (sodium bicarbonate) and vinegar (acetic acid). Students will investigate the signs a chemical reaction has occurred (gas production, change in temperature). Students will perform the lab in an open system so they can see the change of mass due to gas production. This lab is a lead into the topic of conservation of mass. After the lab is completed, the teacher should do a demonstration of the exothermic reaction Hydrogen peroxide and potassium iodide.

  • Observations, Chemical Change, Balancing Equations, Classification of Reactions, Chemical Change | High School

    Lab: It's Time to React

    In this lab, students will conduct four chemical reactions and analyze each for indicators of a chemical reaction. Based on their observations students will write a balanced chemical equation for each reaction as well as identify the reaction type for each reaction.

  • Polymers, Polymers, Chemical Change, Chemical Bond | Middle School, High School

    Demonstration: Turn Milk into Plastic

    In this demonstration, students will observe the process of making a polymer, casein plastic, from the casein protein found in milk.

  • Solubility, Precipitate, Chemical Change, Net Ionic Equation, Balancing Equations, Chemical Change, Solubility Rules | High School

    Lab: Ions in Aqueous Solution Presentation

    In this lab, students will mix ionic solutions to determine what combinations form precipitates.

  • Observations, Chemical Change, Interdisciplinary, Classification of Reactions, Chemical Change, Acid Rain, Acid Base Reactions, 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.

  • Observations, Inferences, Chemical Change, Stoichiometry, Conservation of Mass, Limiting Reactant, Chemical Change, Exothermic & Endothermic | High School

    Demonstration: Introducing 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 Ziploc bags. 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. Students will also determine if the reaction is an endothermic or exothermic process based on their observations.

  • Observations, Density, Physical Change, Chemical Change, Balancing Equations, Chemical Change, Physical Change, Mixtures | High School

    Lab: The Lovely Lava Lamp

    In this lab, students add food coloring to a mixture of oil and water and record their observations. They then add an Alka-Seltzer tablet, record their observations and answer a series of questions about the chemical and physical changes that took place.

  • Density, Gas Laws, Density, Pressure, Temperature, Chemical Change, Balancing Equations, Stoichiometry, Chemical Change, Kinetic Molecular Theory, Dimensional Analysis, Ideal Gas, Volume, Graphing | High School

    Lesson Plan: The Gas Laws Unit Plan

    The AACT high school classroom resource library and multimedia collection 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 the Gas Laws to your students.

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

    Demonstration: Stop & Go Gases

    In this demonstration, students will witness the ability of carbon dioxide to extinguish a flame and oxygen to feed a flame. They will also be introduced to the concept of catalysts. This demonstration could also be used as an opportunity to practice writing and balancing equations and classifying chemical reactions.

  • Chemical Change, Exothermic & Endothermic | High School

    Demonstration: Gun Cotton

    In this demo, students will witness a decomposition reaction of gun cotton; a smokeless flame results.

  • Precipitate, Conductivity, Classification of Reactions, Chemical Change | High School

    Demonstration: Sterno

    In this demonstration, students will observe a decomposition reaction that triggers a precipitate reaction that prevents a solution from conducting electricity.

  • Renewable Energy, Balancing Equations, Conservation of Mass, Chemical Change, Molecular Structure , Functional Groups | High School

    Lab: Soap or Fuel?

    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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Subtopics: Chemical Change

Grade Level: High School

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