151 – 175 of 192 Classroom Resources

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  Density, Observations, Chemical Change, Lab Safety, Combustion | High School

  Demonstration: Fish Tank Carbon Dioxide Mark as Favorite (3 Favorites)

  In this demonstration, students watch as a reaction between baking soda and vinegar produces carbon dioxide, which then causes lit candles to extinguish.

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  Molecular Formula, Stoichiometry | High School

  Lab: Finding the Formula of Magnesium Oxide Mark as Favorite (8 Favorites)

  In this lab, students will recognize that oxygen has mass and that heating can involve and increase in mass as an element reacts to become an oxide

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  Gas Laws, Percent Yield | High School

  Lab: Ideal Gas Law Mark as Favorite (21 Favorites)

  In this lab, students use the reaction of an antacid table with water to inflate a balloon. They then use the ideal gas law to determine the number of moles of gas produced by the reaction.

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  Reduction, Classification of Reactions, Organic Chemistry | High School

  Lab: Silver Test Tube Holiday Ornament Mark as Favorite (4 Favorites)

  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.

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  Percent Yield, Limiting Reactant | High School

  Activity: Cookie Stoichiometry Mark as Favorite (5 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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  Stoichiometry, Percent Yield | High School

  Lab: Baking Soda Stoichiometry Mark as Favorite (18 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, Balancing Equations | High School

  Lesson Plan: Stoichiometry of Air Bags Mark as Favorite (36 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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  Percent Yield, Redox Reaction | 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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  Conservation of Mass, Exothermic & Endothermic | High School, Middle School

  Lab: Kitchen Reaction Mark as Favorite (6 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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  Limiting Reactant, Dimensional Analysis | High School

  Lesson Plan: Map to Solving Limiting Reactant Problems Mark as Favorite (12 Favorites)

  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.

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  Conservation of Mass | High School

  Lab: Reactions of Copper Mark as Favorite (2 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, Matter | High School

  Lab: Matter Matters Mark as Favorite (3 Favorites)

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

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  Classification of Reactions | High School

  Lab: Exploding Pumpkin Mark as Favorite (7 Favorites)

  In this lab, students use a chemical reaction to create an explosion inside of a pumpkin.

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

  Demonstration: Sterno Mark as Favorite (0 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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  Reversible Reactions, Observations, Chemical Change, Physical Change | High School

  Lab: Breath Test Mark as Favorite (0 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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  Limiting Reactant | High School

  Lab: Limiting Reactants in Brownies Mark as Favorite (4 Favorites)

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

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  Limiting Reactant | High School

  Lab: Limiting Reactant in a Balloon Mark as Favorite (12 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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  Limiting Reactant, Chemical Change, Conservation of Mass | High School

  Demonstration: Introducing Limiting Reactants Mark as Favorite (3 Favorites)

  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.

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  Limiting Reactant, Classification of Reactions | High School

  Lab: Mole Relationships in a Single Displacement Reaction Mark as Favorite (10 Favorites)

  In this lab, students will carry out a reaction between metallic copper and an aqueous solution of silver nitrate to determine the mole ratio between the reactants and the products and write a balanced equation based on the data.

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  Limiting Reactant, Percent Yield | High School

  Lab: Limiting Reactant Lab Mark as Favorite (17 Favorites)

  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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  Limiting Reactant | High School

  Lab: Limiting Reactant Candy Mark as Favorite (6 Favorites)

  In this lab, students will understand what is meant by the term, "limiting reactant" and be able to identify the limiting reactant in a non-chemistry situation.

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  Chemical Change, Chemical Change | High School, Middle School

  Lab: Corrosion in Motion Mark as Favorite (1 Favorite)

  In this lab, students will expose metal samples to various solutions and observe the amount of corrosion of a period of time.

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  Chemical Change, Exothermic & Endothermic | High School

  Demonstration: Gun Cotton Mark as Favorite (1 Favorite)

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

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

  Project: Law of Conservation of Mass Comic Strip Mark as Favorite (6 Favorites)

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

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  Limiting Reactant, Chemical Change, Conservation of Mass | High School

  Demonstration: Understanding Limiting Reactants Mark as Favorite (11 Favorites)

  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.