Classroom Resources: Gases


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  • Gas Laws, Stoichiometry, Kinetic Molecular Theory, Ideal Gas, Partial Pressure | High School

    Lab: Determination of the Ideal Gas Law Constant

    In this lab, students will collect a gas sample over water and use multiple scientific principles including stoichiometry and gas laws to experimentally determine the Ideal Gas Law Constant (R).

  • Solubility, Temperature, Pressure, Concentration, Solute & Solvent | High School

    Demonstration: Exploring Gas Solubility

    In this demonstration, students will explore how changes in pressure and temperature affect the solubility of a gas in an aqueous solution. In addition, students will have the opportunity in a post-demonstration reflection activity to practice using data (in this case their demonstration observations) to make evidence based claims.

  • Density, Lab Safety, Combustion | High School

    Demonstration: Density of Gases and Particle Diagrams

    In this demonstration, students will observe the teacher carry out two combustion reactions. First the teacher will burn a small sample of propane gas in a beaker. Next the teacher will burn a small sample of methane gas. Students will create particle diagrams in order support their explanation and model their observations as they improve their understanding of gas density.

  • Kinetic Molecular Theory | High School

    Demonstration: Diffusion of Particles

    In this demonstration students will experience diffusion, and then model the process of diffusion of microwave popcorn “flavor particles” in a room filled with still air.

  • Gas Laws, Pressure, Volume | High School

    Lab: Deriving the Gas Laws

    In this lab, students will investigate the relationships of the variables related to gases. They will draw particle diagrams and derive equations to express these relationships. They will then combine these relationships to derive the combined gas law and the ideal gas law. Finally, they will use the molar volume of a gas at STP to derive the ideal gas constant, R.

  • Gas Laws, Pressure, Kinetic Molecular Theory, Volume | High School

    Demonstration: Inflate and Shrink Wrap a Student

    In this demonstration, students will observe two situations. First a student will be lifted off the desk as other students blow air into straws connected to a garbage bag in order to inflate it. Secondly, the class will observe a garbage bag shrink wrapping a student as a vacuum removes air from the bag.

  • Gas Laws, Pressure, History, Volume | High School, Middle School

    Activity: Robert Boyle Video Questions

    In this activity, students will watch a video and answer questions about Robert Boyle. They will learn about his impact in chemistry, including Boyle’s Law which describes the relationship between pressure and volume of a gas.

  • Temperature, Kinetic Molecular Theory, Heat, Temperature | High School, Middle School

    Lab: Mega Marshmallows

    In this lab, students will investigate the Kinetic Molecular Theory and particle motion while experimenting with a marshmallow. Students will observe how an increase in kinetic energy will cause particles to increase in motion. This concept will be extended into a discussion about additional real world thermal expansion examples.

  • Temperature, Heat, Temperature | Middle School, Elementary School

    Demonstration: An Uplifting Experience

    In this demonstration, students will investigate what happens to air when it is heated.

  • Density, Temperature, Density, Molecular Motion | Elementary School

    Lab: Observing Density of Gases and Liquids

    Students will learn about and discuss the behavior of a gas using examples of convection and an optional teacher-led demonstration. Students will then participation in a lab where they will investigate water currents by observing the results of mixing colored warm water with room temperature water. The lab will be followed by a discussion about the molecular activity of the water mixture.

  • Temperature, Pressure | Middle School, Elementary School

    Demonstration: EGGsperiment

    In this demonstration, students will learn how temperature change affects air pressure, while observing an egg getting sucked into a bottle without being touched!

  • Temperature, Heat, Temperature | Elementary School

    Demonstration: Global Warming in a Jar

    In this demonstration students will learn about the cause and effects of global warming. Students will research about global warming, while also comparing it to a demonstration. This will help students to better understand the effects that temperature change can have on the planet.

  • Temperature, Gas Laws, Volume | Middle School, Elementary School

    Demonstration: Candle Mystery

    In this demonstration, students will observe and analyze how the change in temperature of a gas can affect the volume of a gas.

  • Gas Laws, Stoichiometry | High School

    Lab: Carbonate Identification

    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.

  • Gas Laws, Pressure, History, Volume | High School, Middle School, Elementary School

    Video: Robert Boyle Video

    This video tells the story of Robert Boyle, a great chemist and discoverer of Boyle's Law, which describes the relationship between pressure and volume of a gas.

  • Temperature, Gas Laws, Pressure, Kinetic Molecular Theory, Volume | High School, Middle School

    Animation: Gases Animation

    In this animation, students will visualize how volume, temperature, and quality of a gas are related. This is done qualitatively and quantitatively. **This video has no audio**

  • Gas Laws, History, Mole Concept, Measurements, Ideal Gas | High School

    Video: Amedeo Avogadro Video

    This video tells the story of Amedeo Avogadro, the scientist given credit for the mole concept, but who discovered other things in chemistry too.

  • Gas Laws, Catalysts, Combustion, Stoichiometry, Limiting Reactant, Activation Energy | High School

    Lab: Launching Rockets

    In this lab, students create a stoichiometric mixture of hydrogen and oxygen gases to launch a soda bottle rocket.

  • Gas Laws | High School

    Activity: Understanding Gas Laws

    In this activity, students use an online program to investigate gas laws.

  • Observations, Density, Chemical Change, Density, Combustion, Chemical Change | Middle School, Elementary School

    Demonstration: Investigating Gas Density

    In this demonstration, students will observe a reaction between baking soda and vinegar in the presence of a burning candle. The initial environment has plenty of oxygen present in order to sustain the candle’s flame; however the reaction will produce carbon dioxide which will cause the lit candle to extinguish. Students will analyze the outcome and compare the presence of the gases in the container and make determinations about the densities of each.

  • Gas Laws | High School

    Lab: Three Station Gas Lab

    In this lab, students will investigate relationships of variables involved with gases. They will draw pictures and explain in words what they observe and why.

  • Pressure | Elementary School

    Demonstration: The Power of Air Pressure

    In this demonstration, students will learn to appreciate the power of air pressure.

  • Sublimation, Gas Laws | High School

    Demonstration: Ideal Gas Law using Carbon Dioxide

    In this demonstration, students observe dry ice sublime while the CO2 gas fills a balloon. They then calculate the moles and volume of CO2 produced.

  • Gas Laws, Percent Yield | High School

    Lab: Ideal Gas Law

    In this lab, students use the reaction of an antacid table with water to inflate a balloon. They then use the ideal gas law to determine the number of moles of gas produced by the reaction.

  • Gas Laws, Pressure, Volume | Elementary School

    Lab: The Growing Marshmallow

    In this lab, students will investigate the relationship between volume and pressure of a gas, using a plastic syringe and a marshmallow.

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