Classroom Resources: Reactions & Stoichiometry

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76 – 100 of 253 Classroom Resources

  • Reaction Rate, Order of Reaction , Activation Energy, Catalysts, Rate Constant, Rate Determining Step, Reaction Rate | High School

    Access is an AACT member benefit. Lesson Plan: Reaction Mechanisms Mark as Favorite (50 Favorites)

    In this lesson students explore reaction mechanisms and their connection to rate laws and energy profile graphs through a game, relay race, and finally a chemical demonstration.

  • Stoichiometry, Balancing Equations, Reaction Rate, Solubility | High School

    Access is an AACT member benefit. Lab: Analyzing the Reaction between Baking Soda and Citric Acid Mark as Favorite (50 Favorites)

    In this lab, students will examine the reaction between citric acid and baking soda. They will analyze the chemical equation, balance it and calculate needed quantities of each reactant for a complete reaction. Based on their observations, students will determine if all reactants were completely used during the reaction.

  • Density, Observations, Chemical Change, Physical Change, Balancing Equations, Chemical Change, Mixtures | High School

    Access is an AACT member benefit. Lab: The Lovely Lava Lamp Mark as Favorite (49 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.

  • Solutions, Solubility, Solubility Rules, Concentration, Molarity, Stoichiometry | High School

    Access is an AACT member benefit. Lab: The Gravimetric Analysis of Lead in Contaminated Water Mark as Favorite (48 Favorites)

    In this lab, students will perform a gravimetric analysis of a simulated water sample contaminated with “lead”. Using their knowledge of solubility and chemical reactions they will precipitate the “lead” from the water sample. Then from the data collected, they will calculate the concentration of “lead” in their samples and compare that value to those found in water samples from the Flint, Michigan water crisis.

  • Classification of Reactions, Balancing Equations | High School

    Access is an AACT member benefit. Activity: Chemical Reactions Performance Task Mark as Favorite (48 Favorites)

    In this activity, students work in small teams to evaluate a given scenario. Based on the information provided, students will determine the type of chemical reaction described and write a balanced chemical equation for it. They will also create a particulate level representation to model the chemical reaction and prepare an explanation to explain their reasoning.

  • Balancing Equations, Conservation of Mass | Middle School, High School

    Simulation: Balancing Chemical Equations Mark as Favorite (48 Favorites)

    The simulation for the September 2014 issue comes from PhET and helps students practice balancing chemical equations. AACT helped fund the conversion of this popular simulation into a format that is compatible with all devices, including iPads. PhET provides teacher’s guides for many of their simulations, and teacher-generated activities that can accompany the simulations.

  • Chemical Change, Reaction Rate, Chemical Change, Exothermic & Endothermic, Heat, Temperature | High School

    Access is an AACT member benefit. Lab: A Comparison of Two Chemical Reactions Mark as Favorite (48 Favorites)

    In this lab, students will perform two chemical reactions, one between acetic acid and sodium bicarbonate and the other between the citric acid and the sodium bicarbonate in an Alka-Seltzer tablet when dissolved in water. Both reactions will produce gas while reacting in a closed plastic sandwich bag, causing it to inflate. Students will observe the reactions and analyze the results in order to understand indicators of chemical changes, heat flow, and factors that affect reaction rates

  • Solubility Rules, Solubility, Ionic Bonding, Predicting Products | High School

    Access is an AACT member benefit. Activity: Solubility Rules Dice Game Mark as Favorite (47 Favorites)

    In this activity, students will use ion dice to form a number of different ionic compounds. Based on the resulting ionic compound, they will use a solubility chart to determine if it is soluble or insoluble. This game will allow students to become more familiar with ionic compounds and solubility rules.

  • Limiting Reactant, Concentration, Net Ionic Equation, Stoichiometry, Balancing Equations, Precipitate, Mole Concept, Dimensional Analysis | High School

    Access is an AACT member benefit. Lab: Finding CO2 Mass in your Breath Mark as Favorite (47 Favorites)

    In this lab, students will measure how much carbon dioxide they exhale by reacting their exhaled breath with limewater (calcium hydroxide solution). Students will practice writing balanced equations and completing mass-to-mass stoichiometric calculations.

  • Exothermic & Endothermic, Heat, Temperature, Classification of Reactions | Middle School, High School

    Access is an AACT member benefit. Lab: Determining Endothermic and Exothermic Reactions Mark as Favorite (47 Favorites)

    In this lab, students will analyze evidence to determine if a chemical reaction releases energy and can be classified as an exothermic reaction or if it absorbs energy and can be classified as an endothermic reaction.

  • Activity Series, Balancing Equations, Predicting Products, Chemical Change, Chemical Change, Observations | High School

    Access is an AACT member benefit. Lab: Activity Series of Unknown Metals Mark as Favorite (46 Favorites)

    In this lab, students will create an activity series of metals from a series of reactions involving unknown metals. They will then compare their activity series and a list of metals used in this lab (supplied by the teacher after data collection) to a published activity series to identify the unknown metals.

  • Calorimetry, Exothermic & Endothermic, Temperature, Stoichiometry, Limiting Reactant, Chemical Change, Molarity, Enthalpy, Heat, Concentration, Experimental Design, Scientific Method | High School

    Lab: Less Than Zero Mark as Favorite (46 Favorites)

    In this lab, students will investigate the endothermic reaction between baking soda and HCl. Students will consider stoichiometric ratios, molar concentrations, reaction scale, and calorimetry. The lab starts with a scripted reaction that uses given molar ratios, a glass beaker, and 2-M HCl. They will witness a temperature drop of about 5 to 8 C. Students then adjust the experiment so they can achieve a temperature drop of more than 20 C.

  • Exothermic & Endothermic, Classification of Reactions, Energy Diagrams, Bond Energy, Activation Energy, Temperature, Chemical Change | Middle School, High School

    Simulation: Energy Changes in Chemical Reactions Mark as Favorite (46 Favorites)

    In the November 2016 simulation, students will evaluate the energy changes in an endothermic and an exothermic chemical reaction. Students will have the opportunity to compare how energy is absorbed and released in each reaction, and will make a connection between the standard energy diagrams associated with each reaction type.

  • Chemical Change, Chemical Change, Acid Base Reactions, Observations | Middle School, High School

    Access is an AACT member benefit. Lab: How do Sinkholes Form? Mark as Favorite (46 Favorites)

    In this lab students will learn how acidic groundwater reacts with limestone, causing it to erode. Sinkholes form when eroded limestone underneath the surface of the earth can no longer support the ground above it. Students will test how acid reacts with a variety of rocks and determine which rocks would be best to build a city on top of in order to reduce the chance of sinkholes forming.

  • Classification of Reactions, Balancing Equations | High School

    Access is an AACT member benefit. Lesson Plan: Geometric Equations Challenge Mark as Favorite (45 Favorites)

    In this lesson plan, students find patterns in the reactions between several geometric shapes and then learn about the five main types of reactions.

  • Electrolysis, Cathode, Anode, Half Reactions, Redox Reaction, Reduction, Oxidation, Electron Transfer, Balancing Equations, Exothermic & Endothermic | High School

    Access is an AACT member benefit. Lab: Electrolysis of Water Mark as Favorite (45 Favorites)

    In this lab, students will perform the electrolysis of water using a battery, test tubes, thumbtacks, and a plastic cup.

  • Classification of Reactions, Chemical Change, Solubility Rules, Net Ionic Equation | High School

    Access is an AACT member benefit. Demonstration: Precipitation Reaction Mark as Favorite (45 Favorites)

    In this demonstration, students will observe a precipitation reaction. Students will create several particle diagrams in order to describe and fully understand what is occurring on the atomic level during the chemical reaction.

  • Review, Subatomic Particles, Ions, Isotopes, Electrons, Atomic Mass, Lewis Dot Diagrams, Model of the Atom, Balancing Equations | High School, Middle School

    Access is an AACT member benefit. Activity: Tic-Tac-Toe Review Mark as Favorite (45 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.

  • Redox Reaction, Oxidation, Half Reactions, Oxidation Number, Titrations, Stoichiometry, Reduction | High School

    Access is an AACT member benefit. Lesson Plan: Redox Reactions & Titrations Mark as Favorite (44 Favorites)

    This lesson students will review oxidation states, half-reactions, balancing reactions and understand how to complete calculations and perform a redox titration.

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

    Access is an AACT member benefit. Lab: Recycling Copper: Understanding Chemical Reactions Mark as Favorite (42 Favorites)

    In this lab, students will demonstrate their understanding of writing, balancing, translating, and identifying types of chemical reactions. While doing so, they will learn about the process of recycling copper.

  • Net Ionic Equation, Chemical Change, Solubility Rules, Solubility, Precipitate, Balancing Equations, Chemical Change | High School

    Access is an AACT member benefit. Lab: Ions in Aqueous Solution Presentation Mark as Favorite (42 Favorites)

    In this lab, students will mix ionic solutions to determine what combinations form precipitates.

  • Chemical Change, Exothermic & Endothermic | High School

    Access is an AACT member benefit. Lab: Little Miss Muffet Mark as Favorite (41 Favorites)

    In this lab, students make homemade glue from milk and compare it to commercial glue.

  • Pros Cons of Nuclear Power, Combustion, Acid Rain, Radiation, Renewable Energy, Radiation | High School

    Access is an AACT member benefit. Activity: Town Meeting Mark as Favorite (39 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.

  • Gas Laws, Stoichiometry | High School

    Access is an AACT member benefit. Lab: Carbonate Identification Mark as Favorite (39 Favorites)

    In this lab students use gas laws and stoichiometry, along with some balloons and simple measuring tools, to identify a metal carbonate from a short list of possibilities.

  • Identifying an Unknown, Experimental Design, Scientific Method, Chemical Change, Net Ionic Equation, Precipitate, Solubility, Solubility Rules, Balancing Equations, Predicting Products, Chemical Change | High School

    Access is an AACT member benefit. Lab: Mislabeled Mess! Mark as Favorite (38 Favorites)

    In this lab, students will identify 3 unknown acids by using the solubility rules. They will be given a list of materials and will design their own procedures for identifying the unknowns. For each combination of reactants, they will predict whether a product forms and, if it does, write complete and net ionic equations for those reactions.

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