Classroom Resources: Reactions & Stoichiometry

26 – 50 of 75 Classroom Resources

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  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.

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  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.

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  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.

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  Balancing Equations, Conservation of Mass, Photosynthesis | Middle School

  Activity: Achieving a Photosynthetic Balance

  In this activity, students will use candies to model the rearrangement of atoms from reactant to products during photosynthesis.

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  Balancing Equations, Stoichiometry, Dimensional Analysis | 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.

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  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**

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  Observations, Separating Mixtures, Balancing Equations, Percent Yield, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis, Measurements, Error Analysis, Error Analysis | High School

  Lab: Limiting Reactant Lab

  In this lab, students react copper(II) chloride with aluminum to determine the limiting reactant. They then isolate one product to determine their percent yield.

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  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.

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  Observations, Balancing Equations, Stoichiometry, Limiting Reactant | High School

  Lesson Plan: Limiting Reactant

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

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  Observations, Separating Mixtures, Solubility, Concentration, Precipitate, Identifying an Unknown, Molarity, Net Ionic Equation, Balancing Equations, Percent Yield, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis, Graphing | High School

  Lab: White Lab

  In this lab, students use molarity concepts to review limiting reactant concepts mathematically, conceptually, and graphically. They can then carry out a follow up investigation to identify an unknown using concepts learned in the first investigation.

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

  Activity: Limiting Reactants using Particulate Diagrams

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

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  Concentration, Molarity, Balancing Equations, Stoichiometry, Mole Concept, Dimensional Analysis, Saturated/Unsaturated/Supersaturated | High School

  Lab: Kool-Aid

  In this lab, students calculate grams of Kool-Aid powder required to make 3 different solutions of Kool-Aid (using the molar mass of sugar) with the following concentrations: 0.2 M, 0.5 M, and 1.0 M. Determine the concentration of properly prepared Kool-Aid through a taste test.

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

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  Concentration, Chemical Change, Molarity, Balancing Equations, Stoichiometry, Titrations, Indicators, Dimensional Analysis, Measurements, Acid Base Reactions, Error Analysis | High School

  Lab: Vinegar Quality Control

  In this lab, students will perform a titration of a vinegar sample to determine if it is it close to the concentration claimed on the bottle.

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  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.

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  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.

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  Balancing Equations, Titrations, Indicators, Strong vs Weak, Acid Base Reactions, Graphing, Equivalence Point, pH | High School

  Lab: Titration Curves

  In this lab, students graphically observe a plot of micro acid/base titrations and determine the equivalence point of each plotted curve.

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  Model of the Atom, Review, Isotopes, Balancing Equations, Atomic Mass, Subatomic Particles, Lewis Dot Diagrams, Electrons, Ions | Middle School, High School

  Activity: Tic-Tac-Toe Review

  In this activity students collaborate to complete tic-tac-toe review questions to prepare for a test on the atomic structure unit. The idea behind the activity is to give students choice and you can read more about the inspiration for the activity in the May issue of Chemistry Solutions.

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  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.

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  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.

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  Concentration, Interdisciplinary, Review, Identifying an Unknown, Culminating Project, Molarity, Balancing Equations, Stoichiometry, Classification of Reactions, Scientific Method, Experimental Design | High School

  Lab: The Culminating Unknown

  In this lab, students identify an unknown from a list of 12 possible compounds by designing a procedure and using evidence to prove their claim. They must draw from knowledge gained throughout the year to properly develop a procedure to identify the unknown.

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  Interdisciplinary, Conservation of Mass, Chemical Change, Molecular Formula, Balancing Equations, Conservation of Mass, Reversible Reactions, Chemical Change, Photosynthesis | Middle School

  Lesson Plan: The Building Blocks of Photosynthesis

  In this lesson, students will use colored blocks to represent the elements in photosynthesis and illustrate how they are broken down and reassembled to create glucose.

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  Balancing Equations, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis, Molar Mass | High School

  Activity: Sweet Stoichiometry Reactions

  In this activity, students will use candy to investigate stoichiometry and mole-gram relationships in chemical equations, but could also be used to introduce the concept of limiting reactants.

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  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.

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  Balancing Equations, Classification of Reactions | High School

  Lesson Plan: Geometric Equations Challenge

  In this lesson plan, students find patterns in the reactions between several geometric shapes and then learn about the five main types of reactions.