Classroom Resources: Reactions & Stoichiometry


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  • 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, Stoichiometry, Limiting Reactant | High School

    Activity: Farfalle Stoichiometry

    In this activity, students will use a hands-on manipulative (pasta) to represent the stoichiometric relationships in a compound and in a balanced equation. They will determine the limiting reactant for a given amount of two reactants and they will identify the excess reactant. In the extension exercise, students will balance the equations that are used in the production of ammonia, a common chemical fertilizer.

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

  • Balancing Equations, Molecular Structure , Functional Groups | High School

    Lab: Esterfication

    In this lab, students will make at least six esters from different combinations of available organic acids and alcohols. In addition, they will attempt to identify the scent of each ester that is created.

  • Balancing Equations, Activity Series, Classification of Reactions, Solubility Rules | High School

    Simulation: Predicting Products

    In this simulation, students will reference an activity series and a solubility chart to accurately predict the products of single replacement and double replacement chemical reactions. Associated particle diagrams will be displayed to help students better comprehend the reaction at the particulate level. Students will also be asked to balance the chemical equation. The simulation is designed as a five question quiz for students to use multiple times.

  • Solubility, Reaction Rate, Balancing Equations, Stoichiometry | High School

    Lab: Analyzing the Reaction between Baking Soda and Citric Acid

    In this lab, students will examine the reaction between citric acid and baking soda. They will analyze the chemical equation, balance it and calculate needed quantities of each reactant for a complete reaction. Based on their observations, students will determine if all reactants were completely used during the reaction.

  • Balancing Equations, Percent Yield, Stoichiometry, Conservation of Mass, Classification of Reactions, Limiting Reactant, Dimensional Analysis | High School

    Lesson Plan: Stoichiometry 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 the concepts of stoichiometry and limiting reactants to your students.

  • 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.

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

    Activity: Balancing Equations with Note Cards

    In this activity, students will balance equations and get immediate feedback on whether they are accurate or not while trying to solve a challenge. This activity works best as a review activity after balancing and the law of conservation of matter has been taught.

  • Balancing Equations, Stoichiometry, Classification of Reactions | High School

    Simulation: Chemical Reactions and Stoichiometry

    In this simulation, students will participate in a short quiz that challenges their knowledge of three related topics: classification of reaction types, balancing equations and solving stoichiometry problems.

  • Net Ionic Equation, Balancing Equations, Stoichiometry, Redox Reaction, Classification of Reactions | High School

    Lab: Inquiry Redox Investigation

    In this lab, students perform a simple redox reaction using an iron nail and copper(II) chloride solution. They will consider both quantitative and qualitative data collected during the reaction in order to attempt to explain what happened. Students will also create particle diagrams and determine mole ratios of various species in the reaction.

  • Balancing Equations, Combustion, Stoichiometry, Classification of Reactions, Reversible Reactions | High School

    Demonstration: Firefighter or Fireball

    In this demonstration the teacher will complete two chemical reactions inside of separate balloons that each produces a gas. Students will observe and record data as the teacher attempts to ignite each balloon. This demonstration will help students better understand how to predict products, as well as familiarize them with double replacement and combustion reactions.

  • Precipitate, Electron Configuration, Valence Electrons, Balancing Equations, Classification of Reactions, Solubility Rules, Electrons | High School

    Lesson Plan: Transition Metals Color the World

    In this lesson students will complete a series of double replacement reactions to form precipitates. The precipitates will be used as a pigment to create paint.

  • 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.

  • 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.

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

  • Balancing Equations, Stoichiometry | High School

    Lesson Plan: Stoichiometry of Air Bags

    In this lesson, students will be introduced to the concept of gram to gram stoichiometry calculations. Students will be guided through a scenario regarding air bags and will be tasked with calculating the amount of gas (NaN3) that must be used to inflate a vehicle air bag to the correct size. Follow-up practice problems are also provided.

  • 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**

  • Balancing Equations, Stoichiometry, Conservation of Mass, Limiting Reactant | High School

    Lesson Plan: Limiting Reactant

    This lesson is intended to be used as an introduction to the concept of limiting reactants.

  • Balancing Equations, Stoichiometry, Conservation of Mass, Limiting Reactant | High School

    Activity: Limiting Reactant Activity

    In this activity, students will gain practice drawing particulate diagrams to demonstrate stoichiometry and limiting reactants.

  • Introduction, Conservation of Mass, Balancing Equations, Conservation of Mass, Limiting Reactant | High School, Middle School

    Activity: Kinesthetic Reactions

    In this lesson students, through their physical movement, will model the law of conservation of mass during a chemical reaction. Students will also explore the concepts of limiting and excess reactants as well as balancing a chemical equation. Through this activity they also develop a means of representing particles at the molecular level.

  • 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.

  • Observations, Density, Physical Change, Balancing Equations, Chemical Change | 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.

  • Balancing Equations | Middle School, High School

    Activity: Snowman Challenge

    In this activity, students practice completing and balancing chemical equations with a partner.

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