Classroom Resources: Reactions & Stoichiometry


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  • Reduction, Stoichiometry, Redox Reaction, Titrations, Oxidation, Half Reactions, Oxidation Number | High School

    Lesson Plan: Redox Reactions & Titrations

    This lesson students will review oxidation states, half-reactions, balancing reactions and understand how to complete calculations and perform a redox titration.

  • Observations, Chemical Change, Acid Base Reactions, Chemical Change | High School, Middle School

    Lab: How do Sinkholes Form?

    In this lab students will learn how acidic groundwater reacts with limestone, causing it to erode. Sinkholes form when eroded limestone underneath the surface of the earth can no longer support the ground above it. Students will test how acid reacts with a variety of rocks and determine which rocks would be best to build a city on top of in order to reduce the chance of sinkholes forming.

  • Observations, Chemical Change, Chemical Change | Middle School, Elementary School

    Lab: It's Alive

    In this lab, students will practice making and recording observations, analyzing data, and identifying chemical change. They will transfer dirt, germs, and bacteria from their hands onto a piece of white bread and observe the changes that occur during the following days. Students will analyze the results, make comparisons between clean and dirty samples of bread and learn about the importance of hand-cleaning.

  • 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.

  • Reaction Rate, Reaction Rate | High School, Middle School

    Simulation: Reaction Rates

    In the May 2018 simulation, students investigate several factors that can affect the initial rate of a chemical reaction, including concentration, temperature, surface area of the reactants, and addition of a catalyst.

  • Reaction Rate, Reaction Rate | High School, Middle School

    Activity: Simulation Activity: Investigating Reaction Rates

    In this simulation, students will have the opportunity to investigate several factors that can affect the initial rate of a chemical reaction. Students will have the opportunity to manipulate several variables including concentration, temperature, or surface area of the reactants as well as the addition of a catalyst during the simulation. These reaction rates will be compared to a controlled reaction. Students will interpret a simplified qualitative representation of the reaction as well as analyze corresponding data organized on a graph.

  • Observations, Chemical Change, Physical Change, Chemical Change, Indicators | Elementary School

    Lesson Plan: Explorations of Baking Soda and Vinegar

    In this lesson, students complete a series of simple lab experiments to better understand chemical reactions as well as differentiate between chemical change and physical change. Students will also be introduced to the pH scale, and have the opportunity to understand how chemical reactions can be used in real-world scenarios.

  • Conservation of Mass, Measurements | High School, Middle School

    Lab: Mass of a Gas

    In this lab, students will perform a simple chemical reaction in a closed system to produce a small amount of gas. They will collect mass measurements for the reactants and the products in order to demonstrate the conservation of mass during the reaction. They will also release the produced gas from the closed system in order to verify that gasses have mass.

  • Balancing Equations, Stoichiometry, Classification of Reactions

    Simulation: Chemical Reactions and Stoichiometry

    In this simulation, students practice classifying different chemical reactions, 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.

  • Net Ionic Equation, Classification of Reactions, Chemical Change, Solubility Rules | High School

    Demonstration: Precipitation Reaction

    In this demonstration, students will observe a precipitation reaction. Students will create several particle diagrams in order to describe and fully understand what is occurring on the atomic level during the chemical reaction.

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

    Activity: Simulation Activity: 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.

  • 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, Reaction Rate, Reduction, Redox Reaction, Chemical Change, Oxidation, Solubility Rules | High School

    Lesson Plan: Removing Copper Stains from Masonry

    In this lab, students investigate the use of milk of magnesia poultice to remove copper stains on masonry in copper architecture. They use chalk as the model for masonry, copper(II) chloride solution as a model for soluble copper and a freshly prepared slurry of copper phosphate as a model for a hard stain of copper on masonry. Through a series of investigations students have the opportunity to connect chemistry topics with real-world applications, such as environmental hazards, engineering practices of copper architecture, corrosion control, and structural protection.

  • Renewable Energy, Electricity, Reduction, Redox Reaction, Oxidation, Photosynthesis, Electron Transfer | High School

    Lesson Plan: Color Solar Power!

    In this lesson students will make a dye-sensitized solar cell (also known as DSC or Gratzel cell) using extracts from blackberries, raspberries, blueberries, red cabbage, strawberries, beetroot, spinach and dried hibiscus petals. Students will measure the voltage and the current of various light sources using the created solar cells and then compare the effectiveness of each.

  • 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.

  • Concentration, Reaction Rate, Reduction, Redox Reaction, Chemical Change, Oxidation, Beer's Law | High School

    Lesson Plan: Rustbusters! A Lab Activity on Corrosion

    In this lesson students learn about factors affecting the rate of corrosion and evaluate the efficiency of different protective coatings to simulate products used in industry when building metal structures like ships or bridges.

  • Precipitate, Net Ionic Equation, Classification of Reactions, Solubility Rules | High School

    Lesson Plan: Do it Yourself Color!

    In this lesson students will use solubility rules to predict whether the product of a double displacement or metathesis reaction will produce a precipitate. Students will then investigate a series of reactions to verify solubility rules. Finally students will determine the identity of unknown solutions based on experimental evidence.

  • Observations, Separating Mixtures, Physical Properties, Conservation of Matter | Elementary School

    Activity: How is Chemistry Used in Your Everyday Life?

    In this lesson the students will become familiar with some ways that chemistry is present in their everyday lives. The teacher will read a book and show a short video about how a plastic bottle is made. Following these activities, students will interact with a variety of materials made of plastic, ultimately organizing them according to the recycling code printed on the bottom of each or by physical properties. Finally students will collect data and have an opportunity to construct a graph based on their data.

  • Reaction Rate, Reaction Rate, Acid Base Reactions, Chemical Change | Middle School

    Lab: Bath Bomb Chemistry!

    In this lab, the students will work in cooperative groups to investigate how to make a scented, effervescent bath bomb and explore the chemistry needed to create them. Groups will test a variety of different variables in order to compare the reaction rate of each sample. Students will use the results to determine which variables are optimal for making and using bath bombs.

  • Reaction Rate, Reaction Rate, Chemical Change | High School, Middle School

    Demonstration: Comparing Rates of Reaction

    In this demonstration, students observe the effect of temperature, concentration, and particle size on the rate of a chemical reaction.

  • Reaction Rate, Reaction Rate, Catalysts, Combustion, Activation Energy | High School

    Demonstration: Rates of Reactions

    In this series of demonstrations, students will be introduced to factors that affect the rates of chemical reactions. They will observe and record their observations, while also describing the rate-influencing factor for each demonstration as well as evidence supporting whether or not the reaction rate was increased or decreased by the factor.

  • Chemical Change, Exothermic & Endothermic | Middle School, Elementary School

    Demonstration: Giant Toothpaste

    In this demonstration, students will identify factors that indicate a chemical change has occurred while observing the production of giant toothpaste. This reaction uses simpler materials than those that are often used in the typical high school version of the Elephant’s toothpaste demonstration.

  • Observations, Catalysts, Classification of Reactions, Chemical Change | High School, Middle School

    Demonstration: Catalyst in Motion

    This demonstration allows students to visualize how a catalyst can impact a chemical reaction. Students will also identify the products of a decomposition reaction, as well as determine if the reaction was endothermic or exothermic based on their observations.

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