151 – 175 of 253 Classroom Resources

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  Limiting Reactant, Balancing Equations, Stoichiometry, Observations, Chemical Change | High School

  Lesson Plan: Observing the Limiting Reactant Mark as Favorite (12 Favorites)

  In this lesson, students will be introduced to the concept of limiting reactants by applying various literacy strategies to a one-page informational text and through a short demonstration (or lab). The reading and demo will help students create connections between the macroscopic, particulate, and symbolic representations of chemical reactions and limiting reactants.

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  Limiting Reactant, Balancing Equations, Stoichiometry, Conservation of Mass | High School

  Activity: Limiting Reactants Using Particulate Diagrams Mark as Favorite (38 Favorites)

  In this activity, students will practice drawing particulate diagrams to help them determine the limiting reactant given a certain number of reactant molecules. Students’ practice with particulate diagrams will help them better visualize and understand limiting reactant calculations. The visualizations provided in this activity are helpful at all levels, from beginning chemistry students up through AP chemistry students, who will need to be comfortable with particulate diagrams for the AP exam.

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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 (75 Favorites)

  In this lab, students create a stoichiometric mixture of hydrogen and oxygen gases to launch a soda bottle rocket.

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  Molarity, Concentration, Saturated/Unsaturated/Supersaturated, Mole Concept, Dimensional Analysis, Stoichiometry, Balancing Equations | High School

  Lab: Kool-Aid Mark as Favorite (72 Favorites)

  In this lab, students calculate grams of Kool-Aid powder required to make 3 different solutions of Kool-Aid (using the molar mass of sugar) with the following concentrations: 0.2 M, 0.5 M, and 1.0 M. Determine the concentration of properly prepared Kool-Aid through a taste test.

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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, Chemical Change, Heat, Temperature, Observations, Chemical Change | High School, Middle School

  Lab: Kitchen Reaction Mark as Favorite (18 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 (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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  Titrations, Acid Base Reactions, Indicators, Chemical Change, Stoichiometry, Balancing Equations, Concentration, Molarity, Error Analysis, Dimensional Analysis, Measurements | High School

  Lab: Vinegar Quality Control Mark as Favorite (39 Favorites)

  In this lab, students will perform a titration of a vinegar sample to determine if it is it close to the concentration claimed on the bottle.

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  Chemical Change, Classification of Reactions, Balancing Equations, Observations, Chemical Change | High School

  Lab: It's Time to React Mark as Favorite (65 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 (15 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 (32 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 (32 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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  Titrations, Strong vs Weak, Indicators, pH, Equivalence Point, Acid Base Reactions, Balancing Equations, Graphing | High School

  Lab: Titration Curves Mark as Favorite (20 Favorites)

  In this lab, students graphically observe a plot of micro acid/base titrations and determine the equivalence point of each plotted curve.

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  Density, Density, Chemical Change, Observations, Chemical Change, Combustion | Elementary School, Middle School

  Demonstration: Investigating Gas Density Mark as Favorite (8 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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  Review, Subatomic Particles, Ions, Isotopes, Electrons, Atomic Mass, Lewis Dot Diagrams, Model of the Atom, Balancing Equations | High School, Middle School

  Activity: Tic-Tac-Toe Review Mark as Favorite (39 Favorites)

  In this activity students collaborate to complete tic-tac-toe review questions to prepare for a test on the atomic structure unit. The idea behind the activity is to give students choice and you can read more about the inspiration for the activity in the May issue of Chemistry Solutions.

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  Acid Rain, Chemical Change, Acid Base Reactions, pH, Chemical Change, Classification of Reactions, Observations, Interdisciplinary | High School

  Activity: Investigating Acid Rain Mark as Favorite (25 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 (7 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, Stoichiometry, Observations, Inferences, Chemical Change, Exothermic & Endothermic | High School

  Demonstration: Introducing Limiting Reactants Mark as Favorite (14 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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  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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  Gas Laws, Percent Yield, Stoichiometry, Dimensional Analysis, Measurements, Error Analysis | High School

  Lab: Ideal Gas Law Mark as Favorite (66 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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  Gas Laws, Ideal Gas, Volume, Temperature, Pressure, Kinetic Molecular Theory, Density, Graphing, Density, Chemical Change, Stoichiometry, Balancing Equations, Chemical Change, Dimensional Analysis | High School

  Lesson Plan: The Gas Laws Unit Plan Mark as Favorite (88 Favorites)

  The AACT high school classroom resource library and multimedia collection has everything you need to put together a unit plan for your classroom: lessons, activities, labs, projects, videos, simulations, and animations. We constructed a unit plan using AACT resources that is designed to teach the Gas Laws to your students.

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  Identifying an Unknown, Culminating Project, Classification of Reactions, Experimental Design, Scientific Method, Interdisciplinary, Review, Balancing Equations, Stoichiometry, Concentration, Molarity | High School

  Lab: The Culminating Unknown Mark as Favorite (35 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 (2 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, Molar Mass | High School

  Activity: Sweet Stoichiometry Reactions Mark as Favorite (62 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.