Classroom Resources: Acids & Bases

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1 – 25 of 32 Classroom Resources

  • Concentration, Titrations, Indicators, Equivalence Point, Chemical Change, Accuracy, Error Analysis, Chemical Change | Middle School, High School

    Access is an AACT member benefit. Lesson Plan: Comparison of Vitamin C in Juice Drinks Mark as Favorite (8 Favorites)

    In this lesson, students will use a color-changing indicator called indophenol and a simplified titration method to determine if vitamin C is present in a variety of store-bought juices. The indicator solution will turn from dark blue to colorless once all the indophenol has reacted with vitamin C in the juices. Students will count how many drops of juice it takes to produce this color change in a 5-mL sample of indicator solution. The greater number of drops it takes to cause the color change, the less vitamin C is present in each drop. They will use their data to compare the relative amounts of vitamin C in the juices to a solution prepared from a vitamin C tablet.

  • Titrations, Indicators, Accuracy, Dimensional Analysis, Error Analysis, Measurements, Significant Figures, Concentration, Redox Reaction, Reduction, Oxidation | High School

    Access is an AACT member benefit. Lesson Plan: Vitamin C Quality Control Mark as Favorite (11 Favorites)

    In this lesson, students will learn about a career in the skilled technical workforce, develop skills utilized in a quality control lab, and obtain data that may not have a clear “right answer.” For example, though many over-the-counter medications and vitamins state the amount of active ingredient, any individual tablet may have between 97 to 103% of the stated label claim. In addition, any products past the expiry date may have less due to potential decomposition. Students practice scientific communication by reporting their findings in a professional manner.

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

    Access is an AACT member benefit. Lab: Using Qualitative Analysis to Identify Household Compounds Mark as Favorite (56 Favorites)

    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.

  • pH, Indicators | Middle School, High School

    Access is an AACT member benefit. Animation: The pH Scale Animation Mark as Favorite (11 Favorites)

    This animation explores the fundamentals of the pH scale and how it is used to distinguish between acids and bases. Students will see 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. This animation was featured in the November 2021 issue of Chemistry Solutions. **This video has no audio**

  • pH, Indicators | Middle School, High School

    Access is an AACT member benefit. Activity: Animation Activity: The pH Scale Mark as Favorite (14 Favorites)

    In this activity, students will view an animation that explores the fundamentals of the pH scale and how it is used to distinguish between acids and bases. They will see 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.

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

    Access is an AACT member benefit. Lab: Pigment pH Puzzles Mark as Favorite (19 Favorites)

    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.

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

    Access is an AACT member benefit. Lesson Plan: AP Chemistry Experimental Evidence Review Mark as Favorite (36 Favorites)

    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.

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

    Access is an AACT member benefit. Lab: Odorants as pH Indicators Mark as Favorite (13 Favorites)

    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.

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

    Lesson Plan: Acids and Bases Unit Plan Mark as Favorite (55 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 topic of acids and bases to your students.

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

    Lab: Hydrolysis of Salts Mark as Favorite (16 Favorites)

    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.

  • Indicators, Interdisciplinary | Middle School, High School

    Access is an AACT member benefit. Lab: Exhaling Acid Mark as Favorite (31 Favorites)

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

  • Indicators | High School

    Access is an AACT member benefit. Lab: Exploring the Properties of Acids and Bases Mark as Favorite (55 Favorites)

    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.

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

    Access is an AACT member benefit. Lab: The Egg-straordinary Issue Mark as Favorite (72 Favorites)

    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.

  • Titrations, Indicators, Molarity, Concentration | High School

    Demonstration: How to Perform a Titration Mark as Favorite (36 Favorites)

    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.

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

    Access is an AACT member benefit. Lab: Indicators of Acids and Bases Mark as Favorite (29 Favorites)

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

  • Indicators | Middle School, High School

    Access is an AACT member benefit. Lab: Cellular Respiration and pH Mark as Favorite (14 Favorites)

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

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

    Access is an AACT member benefit. Lab: Lethal Dose Mark as Favorite (34 Favorites)

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

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

    Access is an AACT member benefit. 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.

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

    Access is an AACT member benefit. Lab: Titration Lab with Kinetics Mark as Favorite (14 Favorites)

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

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

    Access is an AACT member benefit. 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.

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

    Access is an AACT member benefit. Lab: Titration Mark as Favorite (6 Favorites)

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

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

    Lab: Seeing the Effects of Acid Rain Mark as Favorite (17 Favorites)

    In this lesson, students will prepare an environment and make acid rain to see how the acid rain effects the items in the environment.

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

    Access is an AACT member benefit. Demonstration: Secret Message Mark as Favorite (3 Favorites)

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

  • Indicators | High School, Middle School

    Access is an AACT member benefit. Lab: Detecting pH of Commonly Used Acids and Bases Mark as Favorite (13 Favorites)

    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, Equivalence Point, pH | High School

    Lab: Meet The Indicators Mark as Favorite (3 Favorites)

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

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Grade Level: ✖ High School

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