Classroom Resources: Reactions & Stoichiometry
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201 – 225 of 253 Classroom Resources
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Limiting Reactant, Stoichiometry, Conservation of Matter | High School
Lesson Plan: Limiting Reactant and Mole of Reaction Mark as Favorite (7 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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Chemical Change, Chemical Change, Observations | High School, Middle School
Lab: Corrosion in Motion Mark as Favorite (7 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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Density, Observations, Chemical Change, Combustion | High School
Demonstration: Fish Tank Carbon Dioxide Mark as Favorite (7 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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Solubility, Conductivity, Concentration, Equilibrium Constants, Stoichiometry | High School
Lab: Experimental Determination of the Solubility Product Constant for Calcium Hydroxide Mark as Favorite (6 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, Balancing Equations, Limiting Reactant, Introduction, Conservation of Mass | Middle School, High School
Activity: Kinesthetic Reactions Mark as Favorite (6 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 (6 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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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, Classification of Reactions, Oxidation, Reduction, Redox Reaction, Electrons, Electron Transfer, Observations, Inferences, Chemical Change | Middle School
Lesson Plan: One Tube Reaction Mark as Favorite (6 Favorites)
In this lesson, students will observe a chemical change involving oxidation and reduction.
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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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Phase Changes, Photosynthesis, Renewable Energy | Elementary School, Middle School
Lab: Mini Terrarium Mark as Favorite (5 Favorites)
In this lab, students will learn that even the smallest spaces can have their own climate. They will create a miniature sized terrarium and will observe how sunlight enters in order to warm the air, and in turn heat the soil and seeds. Condensation will build up in the container and the students can observe the water cycle in action, as well as the growth of the seeds over time.
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Chemical Change, Mixtures, Reaction Rate | Elementary School
Lab: The Disappearing Color Mark as Favorite (5 Favorites)
In this lab, students will create a solution to observe a chemical change between food coloring in water and bleach. They will also develop the process skills of predicting, observing, and measuring temperature.
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Chemical Change, Phase Changes, Combustion, Observations | Elementary School, Middle School
Demonstration: The Jumping Flame Mark as Favorite (5 Favorites)
In this demonstration, students will observe that the vapor of an extinguished candle flame is ignitable.
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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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Chemical Change, Conservation of Matter, Identifying an Unknown, Culminating Project, Elements | Middle School
Lab: Priestley Labs Mark as Favorite (4 Favorites)
In this lab, students will identify an unknown gas based on experimental evidence.
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Separating Mixtures, Observations, Physical Properties, Conservation of Matter | Elementary School
Activity: How is Chemistry Used in Your Everyday Life? Mark as Favorite (4 Favorites)
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.
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Conservation of Mass, Measurements | Middle School, High School
Lab: Mass of a Gas Mark as Favorite (4 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 (4 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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Photosynthesis, Conservation of Mass, Balancing Equations, Chemical Change, Reversible Reactions, Molecular Formula, Interdisciplinary, Chemical Change, Conservation of Mass | Middle School
Lesson Plan: The Building Blocks of Photosynthesis Mark as Favorite (4 Favorites)
In this lesson, students will use colored blocks to represent the elements in photosynthesis and illustrate how they are broken down and reassembled to create glucose.
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Balancing Equations, Conservation of Mass, Photosynthesis | Middle School
Activity: Achieving a Photosynthetic Balance Mark as Favorite (4 Favorites)
In this activity, students will use candies to model the rearrangement of atoms from reactant to products during photosynthesis.
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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 (3 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.
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Photosynthesis | Middle School
Lab: The Chemical Process of Photosynthesis Mark as Favorite (3 Favorites)
In this lab, students will rotate through five stations to understand the importance of the reactants required for the process of photosynthesis in a plant. They will also create the chemical equation for the photosynthesis reaction.
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Polymers, Chemical Change, Conservation of Matter, Phase Changes | Elementary School
Lesson Plan: Making Slime Mark as Favorite (3 Favorites)
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, Chemical Change, Observations, Chemical Change | Elementary School
Lab: My Pennies Mark as Favorite (3 Favorites)
In this lab, students will investigate how an acidic, vinegar based solution can help to get “dirty” pennies clean. Students will observe chemical change and investigate real-world connections to this lab.
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Chemical Change, Density, Classification of Reactions, Balancing Equations, Observations, Chemical Change | High School
Demonstration: Preparation of Hydrogen Mark as Favorite (3 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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Chemical Change, Observations, Chemical Change, Reaction Rate, Interdisciplinary, Physical Change, Reaction Rate | Middle School
Lab: Chemical Weathering in Geology Mark as Favorite (3 Favorites)
In this lab, students will explore the differences between erosion, weathering and chemical weathering. They will complete a lab experiment that simulates chemical weathering on 4 different types of rocks. They will also learn how to use the Mohs Hardness Test to analyze the results.