Classroom Resources: Acids & Bases


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1 – 25 of 30 Classroom Resources

  • Observations, Physical Properties, Solubility, Chemical Change, Physical Change, Precipitate, Identifying an Unknown, Indicators, Chemical Properties | High School

    Lab: Using Qualitative Analysis to Identify Household Compounds

    In this lab, students will be introduced to common laboratory techniques, safety procedures, lab reagents, and terminology, all while identifying unknown household substances. Students will learn how to use qualitative analysis techniques as a systematic way to identify unknown materials. As part of this process, they will practice careful observation and documentation, as well as identifying relevant physical and chemical properties and changes, including solubility, color change, gas formation, and precipitation of solids.

  • Indicators, pH | Middle School, High School

    Activity: Animation Activity: The pH Scale

    In this activity, students will be introduced to the fundamentals of the pH scale and how it is used to distinguish between acids and bases. They will be shown everyday examples of acids and bases and where they fall on the pH scale. The logarithmic nature of the pH scale is explained, and universal indicator is introduced as a way of identifying the pH of a substance. There is also a brief overview of the chemistry of acids and bases.

  • Physical Properties, Identifying an Unknown, Indicators, Chemical Properties, pH | High School

    Lab: Pigment pH Puzzles

    In this lab, students will use their scientific detective skills to determine the identity of pigments used in various types of pH test strips based on how they each interact with several solutions of different pH values.

  • Indicators, pH | Middle School, High School

    Animation: The pH Scale Animation

    In this activity, students will be introduced to the fundamentals of the pH scale and how it is used to distinguish between acids and bases. They will be shown everyday examples of acids and bases and where they fall on the pH scale. The logarithmic nature of the pH scale is explained, and universal indicator is introduced as a way of identifying the pH of a substance. There is also a brief overview of the chemistry of acids and bases.

  • Separating Mixtures, Covalent Bonding, Concentration, Review, Ionic Bonding, Culminating Project, Percent Composition, Redox Reaction, Calorimetry, Titrations, Indicators, Le Châtelier's Principle, Half Reactions, Beer's Law, Buffers, Enthalpy, Conductivity, Mixtures, Alloys, pH | High School

    Lesson Plan: AP Chemistry Experimental Evidence Review

    In this lesson, students will evaluate data from 16 simulated lab experiments that were designed to mirror the Recommended Labs from the College Board. Corresponding lab experiments and demonstration options have also been included for teacher reference.

  • Acid & Base Theories, Indicators, pH | High School

    Lab: Odorants as pH Indicators

    In this lab, students will observe how the aromas of common pantry items (vinegar, coffee, liquid aminos) change with pH, and relate these observations to their understanding of acid-base equilibrium.

  • Concentration, Molarity, Net Ionic Equation, Acid & Base Theories, Titrations, Indicators, Strong vs Weak, Buffers | High School

    Lesson Plan: Acids and Bases Unit Plan

    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 topic of acids and bases to your students.

  • Net Ionic Equation, Indicators, Strong vs Weak, Salts | High School

    Lab: Hydrolysis of Salts

    In this lab, students will observe the hydrolysis of several salt samples. They will first predict which solutions are acidic, basic or neutral, and then discover the pH of each through the use of indicators. Students will share and compile their experimental results, as well as have an opportunity to determine the net-ionic equations for each reaction.

  • Interdisciplinary, Indicators | Middle School, High School

    Lab: Exhaling Acid

    In this lab students will observe how increased carbon dioxide levels lead to a build-up of acidic conditions.

  • Indicators | High School

    Lab: Exploring the Properties of Acids and Bases

    In this lab, students will rotate through five stations. They will explore the properties of many household substances and discover a few properties of acids and bases.

  • Acid Base Reactions, Stoichiometry, Percent Composition, Titrations, Indicators | High School

    Lab: The Egg-straordinary Issue

    In this lab students will determine the percent composition of calcium carbonate contained in an eggshell by using a back titration in order to address a farmer’s concerns about his hen’s fragile eggs. Two versions of the student lab are included, a scripted version, and an inquiry version.

  • Concentration, Molarity, Titrations, Indicators | High School

    Demonstration: How to Perform a Titration

    In this demonstration, the teacher will show how a titration is set-up and performed. Also, the teacher will utilize different indicators to show how they work and why they are necessary. At the end of the demonstration, the teacher will also explain how to calculate the molarity of the unknown substance.

  • Identifying an Unknown, Indicators | Middle School, High School

    Lab: Indicators of Acids and Bases

    In this lab, students will use various indicators to identify unknown (clear) solutions as acidic, basic, or neutral.

  • Indicators | Middle School, High School

    Lab: Cellular Respiration and pH

    In this lab, students learn how a pH indicator can be used to detect the presence of CO2 when they exhale.

  • Concentration, Acid Base Reactions, Molarity, Titrations, Indicators, Equivalence Point | High School

    Lab: Lethal Dose

    In this lab, students will perform several titrations to calculate the concentration of potentially “lethal” medicycloprophic solutions.

  • Chemical Change, Concentration, Acid Base Reactions, Molarity, Balancing Equations, Stoichiometry, Dimensional Analysis, Measurements, Titrations, Indicators, Error Analysis | High School

    Lab: Vinegar Quality Control

    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.

  • Chemical Change, Reaction Rate, Acid Base Reactions, Molarity, Titrations, Indicators, Order of Reaction , Salts, Equivalence Point, Error Analysis | High School

    Lab: Titration Lab with Kinetics

    In this lab, students calculate the molarity of an unknown using a titration and also by solving for a dilution.

  • Acid Base Reactions, Balancing Equations, Titrations, Indicators, Strong vs Weak, Graphing, pH, Equivalence Point | High School

    Lab: Titration Curves

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

  • Titrations, Indicators, Strong vs Weak, pH | High School

    Lab: Titration

    In this lab, students will learn the difference between strong, weak, and concentrated acids by carrying out various titrations.

  • Chemical Change, Concentration, Acid Base Reactions, Molarity, Chemical Change, Indicators, Acid Rain, pH, Equivalence Point | 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.

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

    Demonstration: Secret Message

    In this lesson, students will observe a hidden message while understanding simple acid/base chemistry and indicators.

  • Indicators | Middle School, High School

    Lab: Detecting pH of Commonly Used Acids and Bases

    In this lab, students will use their knowledge of acids and bases to determine the acidity and basicity of every day items by measuring pH using several different methods for determination. Indications of pH may be determined using red & blue litmus paper, pH strips, and pH probes or pH meters.

  • Titrations, Indicators, Strong vs Weak, pH, Equivalence Point | High School

    Lab: Meet The Indicators

    In this lab, students will use their background with titrations to see how different indicators change colors at different pH's.

  • Interdisciplinary, Concentration, Acid Base Reactions, Molarity, Titrations, Indicators | High School

    Lab: Calculating Acid in Lemon-Lime Soda

    In this lab, students will investigate the molarity of citric acid in a clear, lemon-lime flavored soft drink through titrations with 0.10M NaOH and an indicator.

  • Acid Base Reactions, Indicators | Elementary School, Middle School, High School

    Demonstration: Another Secret Message

    In this demonstration, students will observe a hidden message while understanding simple acid/base chemistry and indicators.

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Grade Level: High School

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