501 – 525 of 651 Classroom Resources

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  Intermolecular Forces, Mixtures, Intermolecular Forces, Colligative Properties, Freezing Point Depression, Solubility, Polarity, Phase Changes, Freezing Point, Density, Mixtures, Physical Properties | High School

  Lesson Plan: Fuel Line Antifreeze Mark as Favorite (11 Favorites)

  In this lesson students will explore the role of a gasoline additive, fuel line antifreeze (generally methanol or 2‑propanol), in reducing the potential of water to block fuel lines in freezing weather. Students will prepare test tube models of water-contaminated fuel tanks and explore the effect of adding different types of fuel line antifreeze. This lesson can be used to bolster concepts about miscibility, density, intermolecular forces, phase changes (freezing), and colligative properties (freezing point depression).

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  Separating Mixtures, Physical Change, Mixtures, Physical Properties, Experimental Design, Scientific Method, Error Analysis | High School, Middle School

  Lab: Separation of a Mixture Mark as Favorite (54 Favorites)

  In this lab, students devise their own method to separate a mixture of sand, salt, poppy seeds, and iron filings.

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  Distillation, Intermolecular Forces, Separating Mixtures, Observations, Physical Properties, Polarity, Cracking, Intermolecular Forces, Boiling Point, Balancing Equations | High School

  Lesson Plan: Fractional Distillation of Crude Oil Mark as Favorite (23 Favorites)

  In this lesson, students will be introduced to simple distillation while expanding their knowledge of intermolecular forces. Once a simple distillation has been accomplished in the lab, students will then research the various products of fractional distillation of crude oil and report on one of those products.

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

  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.

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  Culminating Project | High School

  Activity: Second Semester Projects Mark as Favorite (9 Favorites)

  In this project, students will choose a topic and express their knowledge using a medium that they feel suits their style.

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  Galvanic Cells, Reduction, Oxidation, Half Reactions, Cathode, Anode, Redox Reaction, Electrons, Electron Transfer, Net Ionic Equation, Error Analysis | High School

  Lab: Four-Way Galvanic Cell Mark as Favorite (25 Favorites)

  In this lab, students will build a simple galvanic cell to measure cell potential and will compare their data to theoretical calculations. Students will become more familiar with cells during this opportunity to investigate and compare numerous electrochemistry reactions.

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  Atomic Theory, History, Interdisciplinary, Culminating Project, Model of the Atom | High School, Middle School

  Activity: Scientist Infographic Mark as Favorite (50 Favorites)

  In this activity, students will design and publish an infographic focused on a well-known scientist and their contribution to the development of the atomic model.

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  Atomic Spectra, Activity Series, Emission Spectrum, Ions, Electromagnetic Spectrum, Emission Spectrum, Observations, Inferences | High School

  Lab: Flame Test: Going Further Mark as Favorite (56 Favorites)

  In this lab, students will investigate the colors produced when several mixtures of metallic ions are placed in a flame.

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  Polarity, Intermolecular Forces, Intermolecular Forces, Physical Change, Matter | Middle School

  Lesson Plan: Sandy Beaches—A Foray into ‘Magic’ Sand Mark as Favorite (5 Favorites)

  In this lesson, students will investigate the properties of magic sand and learn about the concept of hydrophobic and hydrophilic molecules. It also introduced students to the field of nanotechnology.

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  Density, Observations, Chemical Change, Combustion | High School

  Demonstration: Fish Tank Carbon Dioxide Mark as Favorite (5 Favorites)

  In this demonstration, students watch as a reaction between baking soda and vinegar produces carbon dioxide, which then causes lit candles to extinguish.

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  Freezing Point, Solubility, Solute & Solvent, Phase Changes, Freezing Point Depression, Physical Change, Physical Properties | Elementary School

  Lesson Plan: Salting Roads in Winter Mark as Favorite (2 Favorites)

  In this lesson, students investigate how the freezing point of water changes when salt is added.

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  Polarity, Mixtures, Intermolecular Forces, Intermolecular Forces, Physical Properties, Observations, Mixtures | Middle School, Elementary School, High School

  Lab: Salad Dressing Science: Emulsions Mark as Favorite (27 Favorites)

  In this lab, students mix polar and nonpolar substances and then add various emulsifiers to encourage the mixing of the two substances. They use ingredients in salad dressing to relate science to real life scenarios.

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  Chemical Change, Density, Chemical Change, Density | Elementary School, Middle School, High School

  Demonstration: Fire Extinguisher Mark as Favorite (17 Favorites)

  In this demonstration, students will observe a chemical reaction, and see how the product can be used to extinguish a fire.

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  Lab Safety | High School, Middle School

  Demonstration: Lab Safety Mark as Favorite (32 Favorites)

  In this demonstration, students discuss laboratory safety and observe corn starch being ignited.

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  Review, Density | High School, Middle School

  Activity: Round Robin Mark as Favorite (13 Favorites)

  In this activity, students solve problems on a series of sheets shared in a group.The activity can be extended beyond the topics of temperature and density. This lesson accompanies an article in Chemistry Solutions.

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  Combustion, Heat of Combustion, Stoichiometry, Balancing Equations, Dimensional Analysis, Interdisciplinary, Culminating Project | High School

  Lesson Plan: Redesigning a Car for the Environment Mark as Favorite (26 Favorites)

  Chemland’s city public transportation board has requested the class to help them determine the direction the city should move towards in reducing the carbon footprint. Students will be divided into groups and will come up with proposals of how to reduce the carbon footprint from carbon dioxide released from vehicles. The groups will represent different ways to reduce the carbon footprint via an alternative fuel source or a new technology. They will debate their findings to determine the direction that the city council should move towards to reduce the carbon footprint.

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  Kinetic Molecular Theory, Ideal Gas, Gas Laws, Volume, Temperature, Graphing, Accuracy, Error Analysis | High School

  Lab: Finding Absolute Zero Mark as Favorite (14 Favorites)

  In this lab, students will experimentally determine the value for absolute zero in degrees Celsius.

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

  Lab: Recycling Copper: Understanding Chemical Reactions Mark as Favorite (38 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.

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  Intermolecular Forces, Solute & Solvent, Scientific Method | High School

  Lab: Exploring Intermolecular Forces Mark as Favorite (24 Favorites)

  In this lab, students will investigate the idea that “like dissolves like” by discovering which liquids are best suited for dissolving various substances. This can serve as a great inquiry lab prior to teaching intermolecular forces.

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  Conservation of Mass, Conservation of Matter, Chemical Change, Classification of Reactions, Percent Yield, Balancing Equations, Error Analysis, Accuracy, Chemical Change, Chemical Properties, Conservation of Mass, Conservation of Matter, Observations, Separating Mixtures | High School

  Lab: Reactions of Copper Mark as Favorite (13 Favorites)

  In this lab, students will convert copper metal into different copper compounds and then back to copper to illustrate conservation of matter.

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  Gas Laws, Pressure, Volume, Temperature, Graphing | High School

  Lab: Exploring Gases Mark as Favorite (33 Favorites)

  In this lab, students will investigate the relationship between the variables of temperature, volume and pressure. Students will engage in three lab station activities that each demonstrate a particular gas law. Students will interpret the results, graph data points and relate given data sets to each of the three gas laws.

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

  Lab: Reaction Rate Mark as Favorite (22 Favorites)

  In this lab, students will explore factors that effect reaction rate and develop a general statement that describes how the factors (temperature, particle size, and concentration) effect the rate based on experimental data. This is an inquiry-based activity.

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  Chemical Change, Activity Series, Redox Reaction, Electrons, Electron Transfer, Reduction, Oxidation, Half Reactions, Galvanic Cells, Observations, Chemical Change | High School

  Lesson Plan: Exploring Automotive Corrosion Mark as Favorite (10 Favorites)

  In this lesson students will investigate the galvanic corrosion that can occur when different metals come in contact with each other in modern cars.

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  Introduction, Interdisciplinary, Scientific Method, Experimental Design | High School

  Activity: Experimental Design using Science and Engineering Practices Mark as Favorite (30 Favorites)

  In this activity, students will read a short story about an experiment that was conducted about an everyday question. Then the student will decide if and how the experimenter followed the scientific method. Then they will consider their own everyday questions and propose a way to answer them experimentally.

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  Density, Density, Observations, Inferences | High School, Middle School

  Demonstration: Qualitative Look at Gas Density Mark as Favorite (6 Favorites)

  In this demo, students witness three types of gases and observe their relative densities to air.