Classroom Resources: Reactions & Stoichiometry
76 – 100 of 143 Classroom Resources
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Conservation of Mass, Balancing Equations, Limiting Reactant, Introduction, Conservation of Mass | Middle School, High School
Activity: Kinesthetic Reactions
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
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
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
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
In this lab, students will mix ionic solutions to determine what combinations form precipitates.
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Acid Rain, Chemical Change | High School
Activity: Investigating Acid Rain
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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Limiting Reactant, Chemical Change, Conservation of Mass | High School
Demonstration: Introducing Limiting Reactants
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
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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Gas Laws, Percent Yield | High School
Lab: Ideal Gas Law
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
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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Limiting Reactant, Stoichiometry, Balancing Equations, Mole Concept, Dimensional Analysis | High School
Activity: Sweet Stoichiometry Reactions
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
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?
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
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
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
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
In this demonstration, students will observe a decomposition reaction that triggers a precipitate reaction that prevents a solution from conducting electricity.
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Classification of Reactions | High School
Lesson Plan: Geometric Equations Challenge
In this lesson plan, students find patterns in the reactions between several geometric shapes and then learn about the five main types of reactions.
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Conservation of Mass, Renewable Energy | High School
Lab: Soap or Fuel?
In this lab, students will transform vegetable oil into a soft soap and into biodiesel fuel. The two reactions emphasize that the products of a chemical reaction are under the control of the chemist. By noting the relationship of the reaction product to the reactants, students will gain a deeper understanding of the law of conservation of matter.
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Balancing Equations | High School, Middle School
Activity: Snowman Challenge
In this activity, students practice completing and balancing chemical equations with a partner.
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Balancing Equations, Limiting Reactant | High School
Activity: S'more Stoichiometry
In this activity, students determine the number of graham crackers and chocolate pieces required to complete a “reaction” with a given quantity of marshmallows (the limiting reactant). They then use the same thought process with a problem involving a real chemical reaction.
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Reaction Rate, Chemical Change, Reaction Rate, Observations | Middle School, Elementary School, High School
Demonstration: Simple Kinetics
In this demonstration, students will see that different food dyes react with bleach at different rates.
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Reduction, Classification of Reactions, Organic Chemistry | High School
Lab: Silver Test Tube Holiday Ornament
In this lab, students will carry out a reduction reaction in order to create a silver-plated test tube that can be used as a holiday ornament.
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Acid Rain, Acid Base Reactions, Chemical Change | High School
Lab: Seeing the Effects of Acid Rain
In this lesson, students will prepare an environment and make acid rain to see how the acid rain effects the items in the environment.
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Density, Observations, Chemical Change, Lab Safety, Combustion | High School
Demonstration: Fish Tank Carbon Dioxide
In this demonstration, students watch as a reaction between baking soda and vinegar produces carbon dioxide, which then causes lit candles to extinguish.