Classroom Resources: Reactions & Stoichiometry
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101 – 125 of 192 Classroom Resources
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Combustion, Limiting Reactant, Catalysts, Gas Laws, Stoichiometry, Activation Energy, Enthalpy, Energy Diagrams, Experimental design | High School
Lab: Launching Rockets Mark as Favorite (35 Favorites)
In this lab, students create a stoichiometric mixture of hydrogen and oxygen gases to launch a soda bottle rocket.
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Chemical Change, Exothermic & Endothermic, Redox Reaction, Reaction Rate | High School
Demonstration: Potassium Permanganate Demo Mark as Favorite (7 Favorites)
In this demo, students witness two chemicals that take some time to react. The KMnO4 and glycerin come into contact and appear not to react, but then a flame results. This is an example of an exothermic redox reaction.
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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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Conservation of Mass, Balancing Equations, Limiting Reactant, Introduction, Conservation of Mass | Middle School, High School
Activity: Kinesthetic Reactions Mark as Favorite (2 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, Classification of Reactions, Balancing Equations | High School
Lab: It's Time to React Mark as Favorite (24 Favorites)
In this lab, students will conduct four chemical reactions and analyze each for indicators of a chemical reaction. Based on their observations students will write a balanced chemical equation for each reaction as well as identify the reaction type for each reaction.
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Polymers, Polymers, Chemical Change, Chemical Bond | Middle School, High School
Demonstration: Turn Milk into Plastic Mark as Favorite (16 Favorites)
In this demonstration, students will observe the process of making a polymer, casein plastic, from the casein protein found in milk.
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Pros Cons of Nuclear Power, Combustion, Acid Rain, Radiation, Renewable Energy, Radiation | High School
Activity: Town Meeting Mark as Favorite (6 Favorites)
In this activity, students will learn about acid rain, gas scrubbers, half-life, chain reactions, and other topics around electricity production through a debate on nuclear power.
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Net Ionic Equation, Chemical Change, Solubility Rules, Solubility, Precipitate, Balancing Equations, Chemical Change | High School
Lab: Ions in Aqueous Solution Presentation Mark as Favorite (2 Favorites)
In this lab, students will mix ionic solutions to determine what combinations form precipitates.
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Reaction Rate, Chemical Change, Observations, Chemical Change, Reaction Rate, Catalysts | Elementary School
Lab: To What DEGREE Does it Matter Mark as Favorite (0 Favorites)
In this lab the students will explore how factors such as temperature may influence chemical reactions. Students will use citric acid and sodium bicarbonate (Alka-Seltzer) and a catalyst (water) to induce a reaction at varying degrees. Observations will be made of the rate at which the reactions take place under these varying conditions. The students will make predictions of how the temperature of the water will affect the chemical reaction. They will use a stop watch to time the reaction between the Alka-Seltzer and the varying temperatures of water and graph their observations for analysis, they will compare data to deduce whether temperature has any influence during a chemical reaction.
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Density, Density, Chemical Change, Observations, Chemical Change, Combustion | Elementary School, Middle School
Demonstration: Investigating Gas Density Mark as Favorite (5 Favorites)
In this demonstration, students will observe a reaction between baking soda and vinegar in the presence of a burning candle. The initial environment has plenty of oxygen present in order to sustain the candle’s flame; however the reaction will produce carbon dioxide which will cause the lit candle to extinguish. Students will analyze the outcome and compare the presence of the gases in the container and make determinations about the densities of each.
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Acid Rain, Chemical Change | High School
Activity: Investigating Acid Rain Mark as Favorite (7 Favorites)
In this activity, students will investigate the chemistry of acid rain through web based research. Students will also have the opportunity to observe the reaction between a common acid and a material in a week long simulation and relate their findings to the effects of acid rain.
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Polymers, Molecular Structure, Molecular Structure , Monomer, Chemical Bond, Chemical Change, Polymers, Monomer | Middle School
Lesson Plan: The Power of Polymers Mark as Favorite (2 Favorites)
In this lesson students will use lab activities and discussion to explore polymers and their use in 3D printing, with an emphasis on the benefits of 3D printing in automotive manufacturing.
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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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Density, Observations, Chemical Change, Physical Change, Balancing Equations | High School
Lab: The Lovely Lava Lamp Mark as Favorite (12 Favorites)
In this lab, students add food coloring to a mixture of oil and water and record their observations. They then add an Alka-Seltzer tablet, record their observations and answer a series of questions about the chemical and physical changes that took place.
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Chemical Change, Phase Changes, Combustion, Observations | Elementary School, Middle School
Demonstration: The Jumping Flame Mark as Favorite (1 Favorite)
In this demonstration, students will observe that the vapor of an extinguished candle flame is ignitable.
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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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Identifying an Unknown, Culminating Project, Classification of Reactions | High School
Lab: The Culminating Unknown Mark as Favorite (8 Favorites)
In this lab, students identify an unknown from a list of 12 possible compounds by designing a procedure and using evidence to prove their claim. They must draw from knowledge gained throughout the year to properly develop a procedure to identify the unknown.
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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 (0 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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Limiting Reactant, Stoichiometry, Balancing Equations, Mole Concept, Dimensional Analysis | High School
Activity: Sweet Stoichiometry Reactions Mark as Favorite (10 Favorites)
In this activity, students will use candy to investigate stoichiometry and mole-gram relationships in chemical equations, but could also be used to introduce the concept of limiting reactants.
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Stoichiometry | High School
Lesson Plan: How to do Stoichiometry Problems Mark as Favorite (16 Favorites)
In this lesson, students learn templates for performing stoichiometry problems. They then put the methods to the test with a practice worksheet.
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Calorimetry, Law of Conservation of Energy, Combustion, Heat of Combustion, Specific Heat, Heat, Exothermic & Endothermic, Bond Energy, Temperature, Measurements, Accuracy, Dimensional Analysis, Error analysis | High School
Lab: How Much Energy is in Your Snack Food? Mark as Favorite (18 Favorites)
In this lab, students will find the amount of heat energy stored in foods and compare heat calories with food calories.
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Combustion, Chemical Change, Catalysts, Acid Base Reactions, Chemical Change | High School
Demonstration: Stop & Go Gases Mark as Favorite (3 Favorites)
In this demonstration, students will witness the ability of carbon dioxide to extinguish a flame and oxygen to feed a flame.
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Stoichiometry, Dimensional Analysis | High School
Lesson Plan: Stoichiometry Set-up Method Mark as Favorite (20 Favorites)
In this lesson, students will learn how to follow a process of visual cues in combination with a step-by-step problem solving method for different types of stoichiometric problems. This method can be particularly beneficial for students who struggle with completing multi-step calculations.
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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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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.