176 – 200 of 254 Classroom Resources

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

  Activity: Sweet Stoichiometry Reactions Mark as Favorite (67 Favorites)

  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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  Limiting Reactant, Acid Base Reactions, Stoichiometry, Indicators, pH, Dimensional Analysis, Mole Concept, Measurements, Concentration, Molarity | High School

  Lab: Acid/Base Stoichiometry Mark as Favorite (13 Favorites)

  In this lab, students experience a limiting reactant and can physically see the difference in amounts of product generated. They also see which reactant is in excess.

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  Limiting Reactant, Stoichiometry, Dimensional Analysis, Mole Concept, Scientific Method | High School

  Lab: Limiting Reactants in Brownies Mark as Favorite (24 Favorites)

  In this lesson, students will investigate the idea of limiting reactant using a brownie recipe.

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

  Activity: Limiting Reactants Using Particulate Diagrams Mark as Favorite (48 Favorites)

  In this activity, students will practice drawing particulate diagrams to help them determine the limiting reactant given a certain number of reactant molecules. Students’ practice with particulate diagrams will help them better visualize and understand limiting reactant calculations. The visualizations provided in this activity are helpful at all levels, from beginning chemistry students up through AP chemistry students, who will need to be comfortable with particulate diagrams for the AP exam.

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

  Lab: Limiting Reactant in a Balloon Mark as Favorite (58 Favorites)

  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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  Reversible Reactions, Observations, Chemical Change, Physical Change | High School

  Lab: Breath Test Mark as Favorite (7 Favorites)

  In this lab, students investigate whether chemical reactions can happen only in one direction, or whether they can be "undone."

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

  Demonstration: Sterno Mark as Favorite (2 Favorites)

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

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  Classification of Reactions, Combustion, Heat of Combustion, Balancing Equations | High School

  Demonstration: Exploding Pumpkin Mark as Favorite (16 Favorites)

  In this demonstration, students will witness a chemical reaction create an explosion inside of a pumpkin. They will write balanced equations for the reactions that take place and will complete stoichiometry and thermochemistry calculations.

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  Classification of Reactions, Culminating Project, Review, Interdisciplinary | High School

  Project: Classifying Reaction Types Mini Poster Mark as Favorite (78 Favorites)

  In this activity, students display their knowledge of the five main types of chemical reactions on a miniature sized poster.

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

  Lab: Classifying Reaction Types Mark as Favorite (105 Favorites)

  In this lab, students will carry out seven reactions and classify their reaction types. They will make observations, predict products, and balance the equations that represent the chemical reactions that are occurring.

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  Classification of Reactions, Balancing Equations | High School

  Lesson Plan: Geometric Equations Challenge Mark as Favorite (43 Favorites)

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

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  Classification of Reactions, Oxidation, Reduction, Percent Yield, Stoichiometry, Chemical Change, Redox Reaction, Activity Series, Error Analysis, Dimensional Analysis, Mole Concept, Measurements | High School

  Lab: Extracting Copper From Ore Mark as Favorite (17 Favorites)

  In this lab, students extract copper from copper carbonate using two different methods, and then determine which industrial method is most effective.

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  Conservation of Mass, Matter, Conservation of Matter, Conservation of Matter, Conservation of Mass, Balancing Equations, Chemical Change, Predicting Products, Experimental Design, Chemical Change, Observations | High School

  Lab: Matter Matters Mark as Favorite (19 Favorites)

  In this lesson, students will investigate the Law of Conservation of Mass.

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

  Lab: Soap or Fuel? Mark as Favorite (31 Favorites)

  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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  Conservation of Mass, Conservation of Matter, Chemical Change, Classification of Reactions, Percent Yield, Balancing Equations, Error Analysis, Accuracy, Chemical Change, Chemical Properties, Conservation of Mass, Conservation of Matter, Observations, Separating Mixtures | High School

  Lab: Reactions of Copper Mark as Favorite (14 Favorites)

  In this lab, students will convert copper metal into different copper compounds and then back to copper to illustrate conservation of matter.

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

  Lab: Kitchen Reaction Mark as Favorite (18 Favorites)

  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.

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  Stoichiometry, Dimensional Analysis, Mole Concept, Gas Laws, Ideal Gas, Molarity, Concentration, Electrolysis, Electrons | High School

  Lesson Plan: Stoichiometry Set-up Method Mark as Favorite (70 Favorites)

  In this lesson, students will learn how to follow a process of visual cues in combination with a step-by-step problem solving method for different types of stoichiometric problems. This method can be particularly beneficial for students who struggle with completing multi-step calculations.

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  Stoichiometry, Gas Laws, Ideal Gas, Pressure, Volume, Temperature, Interdisciplinary | High School

  Lesson Plan: Mechanisms and Properties of Airbags Mark as Favorite (34 Favorites)

  In this lesson students will learn about the mechanisms and properties of airbags, and examine the choice of airbag inflator from several points of view.

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  Stoichiometry, Balancing Equations, Dimensional Analysis | High School

  Lesson Plan: Stoichiometry of Air Bags Mark as Favorite (92 Favorites)

  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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  Stoichiometry, Percent Yield, Classification of Reactions, Balancing Equations, Chemical Change, Dimensional Analysis, Error Analysis, Measurements, Accuracy | High School

  Lab: Baking Soda Stoichiometry Mark as Favorite (60 Favorites)

  In this lab, students will decompose baking soda and use stoichiometry to determine the proper balanced chemical equation of its decomposition.

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  Stoichiometry, Dimensional Analysis, Mole Concept | High School

  Lesson Plan: How to do Stoichiometry Problems Mark as Favorite (61 Favorites)

  In this lesson, students learn templates for performing stoichiometry problems. They then put the methods to the test with a practice worksheet.

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  Percent Yield, Redox Reaction, Balancing Equations, Reduction | High School

  Lab: Reduction of Metal Oxides Using Carbon Mark as Favorite (0 Favorites)

  In this lab, students reduce metal ores using an alternative apparatus to a traditional crucible.

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  Percent Yield, Limiting Reactant, Stoichiometry, Dimensional Analysis | High School

  Activity: Cookie Stoichiometry Mark as Favorite (49 Favorites)

  In this activity, students use a chocolate chip cookie recipe to answer questions related to stoichiometry, percent yield, and limiting reactants.

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  Combustion, Limiting Reactant, Catalysts, Gas Laws, Stoichiometry, Activation Energy, Enthalpy, Energy Diagrams, Experimental Design | High School

  Lab: Launching Rockets Mark as Favorite (77 Favorites)

  In this lab, students create a stoichiometric mixture of hydrogen and oxygen gases to launch a soda bottle rocket.

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

  Demonstration: Liquid and Gas Burning Comparison Mark as Favorite (7 Favorites)

  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.