1 – 25 of 72 Classroom Resources

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  Chemical Change, Observations, Redox Reaction, Electron Transfer, Oxidation Number, Chemical Change, Activation Energy | High School

  Lesson Plan: Cyanotypes: Taking Pictures with the Sun Mark as Favorite (7 Favorites)

  In this lesson, students will read about the chemistry behind two photographic methods, including cyanotypes, and then prepare their own sun-sensitive cyanotype paper from two different types of paper. They will place items of their choosing on the prepared papers, place them in the sunlight, and develop and compare the images. Finally, students will be asked to think about different variables they could test with adjustments to the original procedures.

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

  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.

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  Redox Reaction, Oxidation, Reduction, Half Reactions, Cathode, Anode, Electron Transfer, Electrolysis, Electrolytic Cells, Error Analysis, Error Analysis, Accuracy, Chemical Change, Accuracy, Dimensional Analysis, Mole Concept, Significant Figures | High School

  Lesson Plan: Recycling Copper from E-Waste Mark as Favorite (13 Favorites)

  In this lesson, students will consider the need for innovative solutions to e-waste both from an environmental perspective as well as for the economic benefit to reclaiming raw materials from used electronic devices. They will then take on the role of an electroplate technician who is tasked with evaluating the effectiveness of a copper recycling process that uses electrolysis to purify and recover copper metal from e-waste. As e-waste is a relatively new—and growing—issue, it demonstrates how new industries can develop that utilize skills from existing jobs.

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  Physical Change, Chemical Change, Observations, Chemical Change, Radioactive Isotopes | High School

  Activity: Physical, Chemical and Nuclear Changes Mark as Favorite (55 Favorites)

  In this activity, students will analyze the representation of physical, chemical, and nuclear changes in four ways: submicroscopic (particle diagrams), symbolic (equations), macroscopic (observations), and linguistic (vocabulary words). This self-guided activity is designed to ensure that students internalize fundamental chemistry concepts that will serve as a meaningful basis for future learning about matter and its changes.

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  Chemical Properties, Physical Properties, Chemical Change, Physical Change, Chemical Change, Culminating Project, Mixtures, Molecular Structure | High School

  Project: Analyze a Family Recipe Mark as Favorite (54 Favorites)

  In this project, students will select a family recipe, or a favorite recipe to investigate. They will analyze several of the ingredients in order learn more about the chemistry of each one, as well as their purpose in the recipe. Additionally, students will examine several ingredient interactions to learn more about the chemistry of cooking.

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  Combustion, Chemical Change, Balancing Equations, Reaction Rate, Conservation of Mass, Conservation of Matter, Stoichiometry, Limiting Reactant, Chemical Change, Conservation of Matter, Conservation of Mass, Graphing, Error Analysis, Accuracy, Observations, Inferences, Interdisciplinary, Reaction Rate, Catalysts, Measurements, Mole Concept | High School

  Lesson Plan: Clean Air Chemistry Mark as Favorite (19 Favorites)

  In this lesson, students will learn about air pollution and some steps toward mitigating it. First, they will burn a candle and measure its mass and the concentration of CO2 over time. Students will discuss which data set they have more confidence in and why and then use stoichiometry to predict outcomes. Next, students explore incomplete combustion in a model-based worksheet that shows how a lack of O2 in the burning of fuels can produce air pollution. Students work together to interpret the models, define terms, and draw conclusions. Lastly, students work in groups using Lego models to illustrate how a catalytic converter works. They race “Nature” against catalysts “Palladium,” “Platinum,” and “Rhodium” to see what breaks down air pollution molecules fastest.

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  Stoichiometry, Balancing Equations, Predicting Products, Chemical Change, Mole Concept, Dimensional Analysis, Measurements, Chemical Change, Culminating Project | High School

  Project: Chemical Reaction Soda Bottle Boat Race Mark as Favorite (80 Favorites)

  In this project, students will design and build a soda bottle boat with the goal of having the fastest boat to get to the other end of the rain gutter racetrack. Students will have to complete stoichiometric calculations to determine an appropriate amount of “fuel” (baking soda + vinegar) to power their boat.

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

  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.

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

  Lab: Mislabeled Mess! Mark as Favorite (28 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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  Identifying an Unknown, Experimental Design, Chemical Properties, Physical Properties, Observations, Polyatomic Ions, Chemical Change, Ionic Bonding, Covalent Bonding, Solubility | High School

  Lab: Determining the Composition of Bridge Straw Stalactites Mark as Favorite (8 Favorites)

  In this lab, students will investigate “straws” that hang from a local bridge, and then determine various tests that can help to determine their chemical composition. Evaluating both the test results, as well as given information students will then make a claim about the composition, while providing evidence and supporting it with reasoning.

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  Introduction, Lab Safety, Chemical Properties, Physical Properties, Chemical Change, Physical Change, History, Separating Mixtures, Elements, Mixtures, Density, Measurements, SI Units, Significant Figures, Dimensional Analysis, Scientific Notation, Accuracy, Molecular Motion, Phase Changes | High School

  Lesson Plan: The Chemistry Basics and Measurement Quick Start Unit Plan Mark as Favorite (46 Favorites)

  This Quick Start Unit Plan includes all the materials that a teacher will need for the first 10 class meetings of the school year. Each day is outlined with teacher notes, and includes slide presentations as well as directions for demonstrations, activities and labs to use. The fundamental topics covered in the 10 days of lessons are: laboratory safety, laboratory equipment, experimental design, classification of matter, chemical properties, physical properties, chemical change, physical change, phase changes, separation techniques, dimensional analysis, unit conversions, factor label method, accuracy, precision, significant figures, and percent error calculations. This Quick Start Unit plan aims to help students to build a foundation of understanding, and master important topics before moving deeper into the chemistry curriculum.

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  Physical Properties, Chemical Properties, Physical Change, Chemical Change, Observations | High School

  Lab: Determining Physical and Chemical Properties Mark as Favorite (42 Favorites)

  In this lab, students will determine the physical and chemical properties of several different substances through testing and observation. Additionally, they will further their understanding of chemical and physical changes, and their ability to recognize each type of change.

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  Heat of Vaporization , Boiling Point, Intermolecular Forces, Phase Changes, Heating Curve, Heat of Combustion, Temperature, Specific Heat, Observations, Chemical Change, Physical Change | Middle School, High School

  Demonstration: Cooking an Egg in Chemistry Class Mark as Favorite (6 Favorites)

  In this demonstration, students will observe the very high latent heat of vaporization for water by boiling water over a Bunsen burner in a paper cup to cook a boiled egg. The discussion can be extended to incorporate intermolecular forces to explain the unusually high boiling point of water, as well as heat of vaporization and specific heat capacity.

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  Solubility, Solute & Solvent, Precipitate, Mixtures, Error Analysis, Chemical Change, Physical Change, Observations, Identifying an Unknown, Graphing | Middle School, High School

  Lab: Chemicals, Chromatography, and Crime! Mark as Favorite (47 Favorites)

  In this lab, students will test “evidence” that has been collected from a crime scene. In order to determine if the victim was poisoned, students will perform a solubility and crystallization test on an unknown powder. Then, students will attempt to identify the culprit by using paper chromatography to analyze the lipstick from the potential criminals.

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  Activity Series, Chemical Change, Electrons, Electron Transfer, Balancing Equations, Chemical Change, Predicting Products, Observations, Acid Base Reactions | High School

  Simulation: Metals In Aqueous Solutions Mark as Favorite (107 Favorites)

  In this activity, students will run simulated tests of various metals in aqueous solutions to determine the relative reactivity of these metals. A total of eight metals will be observed in various combinations with the corresponding metal nitrate solutions and hydrochloric acid. Students will interpret the data collected to construct an activity series of the elements used in this simulation.

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  Activity Series, Electrons, Electron Transfer, Balancing Equations, Predicting Products, Chemical Change, Chemical Change, Observations | High School

  Activity: Simulation Activity: Metals in Aqueous Solutions Mark as Favorite (8 Favorites)

  In this activity, students will run simulated tests of various metals in aqueous solutions to determine the relative reactivity of these metals. A total of eight metals will be observed in various combinations with the corresponding metal nitrate solutions and hydrochloric acid. Students will interpret the data collected to construct an activity series of the elements used in this simulation.

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

  Lab: Activity Series of Unknown Metals Mark as Favorite (36 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.

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  History, Interdisciplinary, Chemical Change | Middle School, High School

  Video: Spellbound Episode 1—A Sign on the Door: Ahmed Zewail, Ph.D. Mark as Favorite (5 Favorites)

  Produced for the 2011 International Year of Chemistry, the video series Spellbound, tells the story of scientists whose childhood curiosity about everyday things helped them launch careers in the lab, win Nobel Prizes and make other achievements. Their early childhood experiences may encourage young people into careers in the science, technology, engineering and mathematics (STEM) fields. This episode features Ahmed Zewail, Ph.D.

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  History, Chemical Change, Interdisciplinary | Middle School, High School

  Video: Spellbound Episode 3—A Yellow Sweater: Bassam Shakhashiri, Ph.D. Mark as Favorite (2 Favorites)

  Produced for the 2011 International Year of Chemistry, the video series Spellbound, tells the story of scientists whose childhood curiosity about everyday things helped them launch careers in the lab, win Nobel Prizes and make other achievements. Their early childhood experiences may encourage young people into careers in the science, technology, engineering and mathematics (STEM) fields. This episode features Bassam Shakhashiri, Ph.D.

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  History, Chemical Change | Middle School, High School

  Activity: Spellbound Episode 3 Bassam Shakhashiri Video Questions Mark as Favorite (0 Favorites)

  In this activity, students will answer questions while watching a video from the Spellbound series produced by ACS. Each episode focuses on a different notable scientist, recounting how their interest in science was sparked in their childhood and how they went on to make great contributions to the scientific community. This third episode focuses on the childhood of Bassam Shakhashiri, whose early interest in colors led him to study chemistry and become a passionate chemistry educator and ambassador.

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  History, Interdisciplinary, Chemical Change | Middle School, High School

  Activity: Spellbound Episode 1 Ahmed Zewail Video Questions Mark as Favorite (2 Favorites)

  In this activity, students will answer questions while watching a video from the Spellbound series produced by ACS. Each episode focuses on a different notable scientist, recounting how their interest in science was sparked in their childhood and how they went on to make great contributions to the scientific community. This first episode focuses on the childhood of Ahmed Zewail, who went on to become the 1999 Chemistry Nobel Laureate.

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  Predicting Products, Activity Series, Chemical Change, Chemical Change, Observations | High School

  Project: Wastewater Recovery Mark as Favorite (70 Favorites)

  In this project, students will analyze test results in order to design a procedure for recovering certain metals from wastewater using their knowledge of the Activity Series of Metals and single replacement reactions. Based on their analysis, students will create a proposal for presentation in an effort to recommend the best plan for reclaiming the metals from the wastewater.

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  Chemical Change, Scientific Method, Experimental Design, Observations, Inferences | Middle School, High School

  Demonstration: What Causes Yeast to Ferment? Mark as Favorite (3 Favorites)

  In this lesson, students will observe and verify molasses sugar content as a result of its ability to ferment yeast. They will compare how molasses allows yeast to ferment with other sugar solutions as well as a sugar-free solution.

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  Physical Change, Chemical Change, Observations, Molecular Structure | Middle School, High School

  Lab: Determining a Chemical or Physical Change Mark as Favorite (26 Favorites)

  In this lab, students will follow a laboratory procedure that instructs them how to heat a small sample of copper(II) sulfate pentahydrate. Students will make observations in order to determine if a chemical or physical change occurs.

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  Chemical Change, Physical Change, Observations, Molecular Structure, Lewis Structures, Polarity, Chemical Change | High School

  Lab: DIY Triiodide Mark as Favorite (22 Favorites)

  In this lab, students will investigate how iodine interacts with various substances. They will use color changes to justify whether a chemical or physical change is taking place. This activity is referenced in the October 2019 ChemMatters article called “Cash, Chemistry, and Counterfeiting.”