Classroom Resources: Reactions & Stoichiometry
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176 – 200 of 204 Classroom Resources
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Solubility Rules, Chemical Change, Redox Reaction, Precipitate, Reaction Rate, Reduction, Oxidation | High School
Lesson Plan: Removing Copper Stains from Masonry Mark as Favorite (9 Favorites)
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.
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Elements, Interdisciplinary, Photosynthesis | High School
Lesson Plan: Growing Green on the Red Planet Emergency Lesson Mark as Favorite (9 Favorites)
In this lesson, students will learn about elements, compounds, and chemical reactions through reading the highly rated ChemMatters article, Growing Green on the Red Planet. The lesson includes several activities to help promote literacy in the science classroom related to the reading. This lesson could be easily used as an emergency lesson plan for a substitute teacher, as most of the activities are self-guided.
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Law of Conservation of Energy, Heat, Temperature, Combustion, Chemical Change | High School
Lesson Plan: Cow Power! Emergency Lesson Mark as Favorite (9 Favorites)
In this lesson, students will learn about energy, renewable energy, greenhouse gases, and chemical reactions through reading the highly rated ChemMatters article, Cow Power. The lesson includes several activities to help promote literacy in the science classroom related to the reading. This lesson could be easily used as an emergency lesson plan for a substitute teacher, as most of the activities are self-guided.
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Density, Combustion, Lab Safety | High School
Demonstration: Density of Gases and Particle Diagrams Mark as Favorite (9 Favorites)
In this demonstration, students will observe the teacher carry out two combustion reactions. First the teacher will burn a small sample of propane gas in a beaker. Next the teacher will burn a small sample of methane gas. Students will create particle diagrams in order support their explanation and model their observations as they improve their understanding of gas density.
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pH, Chemical Change, Chemical Change, Reaction Rate | High School
Lesson Plan: Cheesy Science Emergency Lesson Mark as Favorite (8 Favorites)
In this lesson, students will learn about pH, acids, bases, enzymes, and chemical reactions through reading the highly rated ChemMatters article, Cheesy Science. The lesson includes several activities to help promote literacy in the science classroom related to the reading. This lesson could be easily used as an emergency lesson plan for a substitute teacher, as most of the activities are self-guided.
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Chemical Change, Activity Series, Redox Reaction, Chemical Change, Physical Change | High School
Demonstration: Understanding the Discrepant Reactivity of Copper in the Presence of Strong Acids Mark as Favorite (8 Favorites)
In this demonstration, students practice their observation skills during the additions of different acids to two test tubes containing copper. The activity is structured to allow students to make thoughtful remarks about what they observe, using rich indicators of both chemical and physical properties and changes. In subsequent lessons on new concepts, students can reflect back on their observations to rationalize the discrepant results of the reactions in the demonstration.
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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.
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Combustion, Chemical Change, Catalysts, Acid Base Reactions, Chemical Change, Balancing Equations, Classification of Reactions, Observations, Chemical Change | High School, Middle School
Demonstration: Stop & Go Gases Mark as Favorite (7 Favorites)
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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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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Chemical Change | High School
Demonstration: Creating Light with Luminol Mark as Favorite (7 Favorites)
In this demonstration, students will observe a chemical reaction that releases energy in the form of light, demonstrating chemiluminescence.
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Classification of Reactions, Predicting Products, Balancing Equations | High School
Activity: Reactant Scramble Mark as Favorite (7 Favorites)
In this activity, students will be challenged to apply their understanding of chemical reactions. They will analyze and organize provided reactant cards in order to create four correct chemical equations that can each be categorized as a specific type of chemical reaction. In order to be successful, students will use their knowledge of solubility rules, activity series, and ionic bonding.
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Molecular Structure, Intermolecular Forces, Polarity, Molecular Structure , Combustion | High School
Video: Ingenious Video 5: Making Shipping Greener with Hairy Ships Mark as Favorite (6 Favorites)
The “fouling” of boats — when aquatic animals like barnacles and tubeworms attach to hulls — has been a nuisance for as long as we’ve been sailing the seas. Fouling messes up a vessel’s streamlined shape, decreasing its speed, maneuverability, and in modern times, its fuel-efficiency. Fouling spikes the carbon footprint of the shipping industry, already greater than that of most countries. For centuries, people used copper coatings to prevent fouling. Modern solutions use toxic chemical paints that pollute the water, kill marine life, and contribute to the degradation of our oceans when they wear off. A new approach is trying to work with nature instead of against it. Taking inspiration from the Salvinia plant, which is covered in tiny hair-like structures that make it basically waterproof, scientists are developing a stick-on silicone coating for ships that prevents animal hitchhikers from getting a foothold.
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Chemical Change, Chemical Change, Observations | High School, Middle School
Lab: Corrosion in Motion Mark as Favorite (6 Favorites)
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, Combustion, Balancing Equations, Density, Specific Heat | High School
Demonstration: Methane Bubble (Dragon Ball Z) Mark as Favorite (6 Favorites)
In this demonstration, students will observe the combustion of a methane bubble. This exciting demonstration can be used as a dramatic and engaging introduction to the concepts of combustion reactions, chemical change, and balancing equations.
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Conservation of Mass, Chemical Change, Chemical Change, Observations | High School, Middle School
Lab: Conservation of Mass Mark as Favorite (6 Favorites)
In this lab, students perform three simple experiments, recording the mass of a substance before and after a reaction. They then explain how the law of conservation of mass was not violated, even if the mass changed.
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Density, Observations, Chemical Change, Combustion | High School
Demonstration: Fish Tank Carbon Dioxide Mark as Favorite (5 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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Conservation of Mass, Balancing Equations, Limiting Reactant, Introduction, Conservation of Mass | Middle School, High School
Activity: Kinesthetic Reactions Mark as Favorite (5 Favorites)
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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Chemical Change, History, Identifying an Unknown, Molecular Structure | High School
Lesson Plan: Development of Diagnostic Test Strips Mark as Favorite (5 Favorites)
In this lesson, students will learn about diagnostic test strips by reading an article and engaging in related activities. The activities help promote literacy in the science classroom. Parts of this lesson could be used as plans for a substitute teacher.
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Limiting Reactant, Stoichiometry, Conservation of Matter | High School
Lesson Plan: Limiting Reactant and Mole of Reaction Mark as Favorite (4 Favorites)
In this lesson, students will identify limiting reagents (and the amounts of product produced) using the mole of reaction concept. This approach is designed to focus on calculations related to limiting reactant after a conceptual understanding of what a limiting reactant is has already been established.
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Molecular Structure, Intermolecular Forces, Polarity, Molecular Structure , Combustion | High School
Activity: Ingenious: Making Shipping Greener with Hairy Ships Video Questions Mark as Favorite (4 Favorites)
In this activity, students will answer questions while watching the video, Making Shipping Greener with Hairy Ships, from the Ingenious series produced by the American Chemical Society. Each episode investigates a different topic related to how leading-edge chemistry is taking on the world’s most urgent issues to advance everyone’s quality of life and secure our shared future. This episode investigates the “fouling” of boats (when aquatic animals like barnacles and tubeworms attach to hulls), and the impact it has on fuel efficiency. Since fouling is a significant contributor to the carbon footprint, this video highlights how scientists were inspired by unique aquatic plants to develop a stick-on silicone coating for ships that prevents animal hitchhikers from getting a foothold.
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Solubility, Conductivity, Concentration, Equilibrium Constants, Stoichiometry | High School
Lab: Experimental Determination of the Solubility Product Constant for Calcium Hydroxide Mark as Favorite (3 Favorites)
In this lab, students will predict and measure the relationship between the conductivity of a solution of calcium hydroxide and the mass of substance added to it. From the relationship, students will determine solubility and Ksp of calcium hydroxide. Ksp will be calculated using the molar concentration of ions in the solution and the equilibrium expression for the dissociation of calcium hydroxide.
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Conservation of Mass, Measurements | Middle School, High School
Lab: Mass of a Gas Mark as Favorite (3 Favorites)
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 gases have mass.
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Chemistry Basics, Interdisciplinary, Photosynthesis | High School
Activity: Algae Trivia Mark as Favorite (3 Favorites)
In this activity, students will participate in a trivia game created in support of the 2023 Chemists Celebrate Earth Week (CCEW) theme, The Curious Chemistry of Amazing Algae. Students will participate individually or as a team to test their knowledge about algae and related chemistry topics.
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Chemical Change, Density, Classification of Reactions, Balancing Equations, Observations, Chemical Change | High School
Demonstration: Preparation of Hydrogen Mark as Favorite (2 Favorites)
In this demo, students witness a single displacement reaction between zinc and sulfuric acid that produces hydrogen gas. The gas is collected via water displacement and ignited.
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Redox Reaction, Oxidation, Reduction, Electricity, Reversible Reactions | High School
Lesson Plan: Charging Up the Fun with a Rechargeable Battery Mark as Favorite (2 Favorites)
In this lesson, students will learn how oxidation and reduction reactions work in a rechargeable battery. They will then build a simple rechargeable battery and test it to determine the strength of the battery.