76 – 100 of 192 Classroom Resources

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  Chemical Change, Observations, Chemical Change, Oxidation | Elementary School

  Lab: Apple's Oxidation Mark as Favorite (0 Favorites)

  In this lab students will learn about the chemical reaction, oxidation, using apple wedges. They will apply different substances to a number of apple wedges to determine if these applications have any impact on the oxidation process. Students will also use a control sample so that they compare their results with an apple wedge that has not had any substance added to it. Students will measure and record the time it takes to see the changes to the apple which indicate oxidation. 3-46

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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.

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  Chemical Change, Physical Change, Chemical Change | Middle School, High School

  Lab: Chemical and Physical Changes Mark as Favorite (40 Favorites)

  In this lab, students will observe and analyze a number of examples in order to determine if a chemical or physical change occurred.

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  Chemical Change, Exothermic & Endothermic, Chemical Change, Physical Change, Separating Mixtures | Elementary School

  Lab: Super Suds Mark as Favorite (2 Favorites)

  In this lab, students will investigate an endothermic chemical reaction by combining baking soda, hand soap and citric acid. The students will be tasked with differentiating between chemical and physical changes during this experiment.

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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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  Chemical Change, Chemical Change, Observations, Acid Base Reactions, Chemical Change, Acid | Elementary School

  Lesson Plan: The Chemistry of Eggs Mark as Favorite (0 Favorites)

  In this lesson students will learn that vinegar can react with the Calcium in an egg shell to make it rubbery. First, the students will listen to the teacher read a book about eggs. The teacher will then put an egg in a jar with vinegar and let it set for two days. Students will make a prediction about what they think will happen to the egg, and then together they will investigate the final results.

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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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  Exothermic & Endothermic, Classification of Reactions | Middle School, High School

  Activity: Simulation Activity: Energy Changes in Chemical Reactions Mark as Favorite (27 Favorites)

  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.

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  Polymers, Chemical Change, Conservation of Matter, Phase Changes | Elementary School

  Lesson Plan: Making Slime Mark as Favorite (1 Favorite)

  In this lesson, students explore the science behind chemical reactions as well as the processes used by chemical engineering principles to develop new materials. The idea that mixing two substances can result in an explosion, the release of gas, and the formation of an entirely new substance is both fascinating and mysterious to most young students.

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  Chemical Change, Physical Change, Physical Properties | Elementary School

  Lab: What's the Fizz? Mark as Favorite (0 Favorites)

  In this lab, students will make a lemon fizzy drink. Students will discuss what happens when things are mixed together.

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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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  Solubility, Solute & Solvent, Reaction Rate, Physical Change | Elementary School

  Lab: M&M's Solution Mark as Favorite (1 Favorite)

  In this lab, students will investigate dissolving using M&M’s and will determine whether dissolving happens faster without assistance, or with the assistance of the tongue and teeth.

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  Heat of Combustion, Heat, Exothermic & Endothermic, Combustion | Elementary School, Middle School, High School

  Video: The Internal Combustion Engine Video Mark as Favorite (7 Favorites)

  This video investigates both the mechanical and the chemical processes used in the internal combustion engine, as well as the history and evolution of the combustion engine.

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  Balancing Equations, Precipitate, Solubility Rules | High School

  Animation: Net Ionic Equations Animation Mark as Favorite (22 Favorites)

  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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  Limiting Reactant, Conservation of Mass, Stoichiometry, Mole Concept | High School

  Animation: Limiting Reactant Animation Mark as Favorite (21 Favorites)

  In this animation, students will visualize on the particulate level what happens in a limiting reactant problem. A number of limiting reactant scenarios are animated, including a simple example of how to build a bike to introduce the concept of limiting reactant. Conservation of mass is also demonstrated by calculating masses from the mole quantities of the reactants and products. **This video has no audio**

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  Reduction, Oxidation, Redox Reaction, Catalysts, Activation Energy, Combustion | Elementary School, Middle School, High School

  Video: Catalytic Converters Video Mark as Favorite (5 Favorites)

  This video investigates the role of a catalytic converter and its corresponding chemical reactions within a vehicle. Students will learn about both oxidation and reduction reactions and how they, in combination with a catalyst, can impact the molecules released in a car’s exhaust.

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  Combustion, Chemical Change | High School

  Demonstration: Liquid and Gas Burning Comparison Mark as Favorite (5 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.

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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, 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 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 | 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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  Limiting Reactant, Percent Yield | High School

  Lab: White Lab Mark as Favorite (10 Favorites)

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

  Lesson Plan: Limiting Reactant Mark as Favorite (8 Favorites)

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

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

  Activity: Limiting Reactants using Particulate Diagrams Mark as Favorite (13 Favorites)

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

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  Calorimetry, Exothermic & Endothermic, Temperature, Stoichiometry, Limiting Reactant, Chemical Change, Molarity | High School

  Lab: Less Than Zero Mark as Favorite (6 Favorites)

  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.