51 – 75 of 92 Classroom Resources

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  Heat, Temperature | High School, Middle School

  Activity: What Makes Something Feel Warm Mark as Favorite (19 Favorites)

  In this lesson students actively engage in thinking about energy issues in chemistry and the nature of energy (thermal) transfer. The idea that temperature is a measure of heat content will be challenged, and students will be given the opportunity to collect data that will allow them to clearly see that different materials transfer energy at different rates.

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  Temperature, Molecular Motion | High School, Middle School

  Demonstration: What is Temperature? Mark as Favorite (20 Favorites)

  In this demonstration, students will observe food dye mixing with water at different temperatures.

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  Combustion, Limiting Reactant, Catalysts, Gas Laws, Stoichiometry, Activation Energy, Enthalpy, Energy Diagrams, Experimental design | High School

  Lab: Launching Rockets Mark as Favorite (35 Favorites)

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

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  Chemical Change, Exothermic & Endothermic, Redox Reaction, Reaction Rate | High School

  Demonstration: Potassium Permanganate Demo Mark as Favorite (7 Favorites)

  In this demo, students witness two chemicals that take some time to react. The KMnO4 and glycerin come into contact and appear not to react, but then a flame results. This is an example of an exothermic redox reaction.

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  Conservation of Mass, Exothermic & Endothermic | High School, Middle School

  Lab: Kitchen Reaction Mark as Favorite (6 Favorites)

  In this lab students will observe an endothermic chemical reaction involving baking soda (sodium bicarbonate) and vinegar (acetic acid). Students will investigate the signs a chemical reaction has occurred (gas production, change in temperature). Students will perform the lab in an open system so they can see the change of mass due to gas production. This lab is a lead into the topic of conservation of mass. After the lab is completed, the teacher should do a demonstration of the exothermic reaction Hydrogen peroxide and potassium iodide.

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  Calorimetry | High School, Middle School

  Lab: Understanding Specific Heat Mark as Favorite (19 Favorites)

  In this lab, students will get a general idea of specific heat by investigating the mixing of two liquids at different temperatures. In one case, the same liquids will be mixed, in another case different liquids will be mixed.

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  Pros Cons of Nuclear Power, Combustion, Acid Rain, Radiation, Renewable Energy, Radiation | High School

  Activity: Town Meeting Mark as Favorite (6 Favorites)

  In this activity, students will learn about acid rain, gas scrubbers, half-life, chain reactions, and other topics around electricity production through a debate on nuclear power.

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  Radiation, Electromagnetic Spectrum, Radiation | Middle School, High School

  Lab: The Most Effective Sunscreen Mark as Favorite (6 Favorites)

  In this lab, students will research and compare the effectiveness of various SPF levels in sunscreen lotions. The lotion’s ability to block UV (ultraviolet) radiation from the sun will be tested using a UV bead detector.    

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  Colligative Properties, Specific Heat | High School

  Lesson Plan: The Hot and Cold of it All Mark as Favorite (3 Favorites)

  In this lesson students will analyze the effectiveness of different brands of antifreeze/coolants and their ability to protect an engine in cold climates. Students will conduct a lab investigation to examine the freezing point depression in samples that have been diluted with distilled water. Students will also determine the specific heat capacities of antifreeze/coolant products as compared to pure water and explain how it relates to thermal energy transfer in the internal combustion engine.

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  Emission Spectrum, Electromagnetic Spectrum | High School

  Demonstration: The Emission Spectrum from a Candle Flame Mark as Favorite (1 Favorite)

  In this demo, students look at a candle flame through a diffraction grating to see the emission spectrum of the flame. This provides for an opportunity to talk about how a flame works and prove that carbon is being released by charring a porcelin crucible.

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  Calorimetry, Law of Conservation of Energy, Combustion, Heat of Combustion, Specific Heat, Heat, Exothermic & Endothermic, Bond Energy, Temperature, Measurements, Accuracy, Dimensional Analysis, Error analysis | High School

  Lab: How Much Energy is in Your Snack Food? Mark as Favorite (18 Favorites)

  In this lab, students will find the amount of heat energy stored in foods and compare heat calories with food calories.

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  Redox Reaction, Gibb's Free Energy , Spontaneous Reactions | High School

  Lesson Plan: How Far Can We Go? Mark as Favorite (2 Favorites)

  In this lesson students compare energy densities of lead acid and lithium ion batteries to understand the relationship between electrochemical cell potentials and utilization of stored chemical energy.

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  Hess's Law | High School

  Lesson Plan: Hess's Law Mark as Favorite (8 Favorites)

  In this lesson, students learn about the concepts of Hess's Law and how to solve problems involving them.

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  Physical Change, Intermolecular Forces, Heating Curve, Phase Changes, Graphing, Heat, Exothermic & Endothermic, Temperature, Freezing Point, Melting Point | High School

  Lab: Heating & Cooling Curve Mark as Favorite (15 Favorites)

  In this lab, students will create a phase change graph by adding and removing heat to observe and record data during actual phase changes.

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  Heat of Neutralization, Acid Base Reactions | High School

  Lab: Heat of Neutralization Mark as Favorite (0 Favorites)

  In this lab, students carry out an acid base reaction to calculate the heat of neutralization.

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  Chemical Change, Exothermic & Endothermic | High School

  Demonstration: Gun Cotton Mark as Favorite (1 Favorite)

  In this demo, students will witness a decomposition reaction of gun cotton; a smokeless flame results.

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

  Lab: Greenhouse Gas Simulation Mark as Favorite (14 Favorites)

  In this lab, students will create two simulations of the Earth’s atmosphere. They will compare a control model with a one that has an increased presence of carbon dioxide gas in order to analyze how this effects temperature. They will also complete research in order to learn more about the makeup of the Earth’s atmosphere.

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  Conservation of Mass, Renewable Energy | High School

  Lab: Soap or Fuel? Mark as Favorite (5 Favorites)

  In this lab, students will transform vegetable oil into a soft soap and into biodiesel fuel. The two reactions emphasize that the products of a chemical reaction are under the control of the chemist. By noting the relationship of the reaction product to the reactants, students will gain a deeper understanding of the law of conservation of matter.

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

  Lab: Flame Test: Going Further Mark as Favorite (22 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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  Activation Energy, Temperature, Exothermic & Endothermic, Heat, Equilibrium Constants, Establishing Equilibrium, Le Châtelier's Principle, Reaction Quotient | High School

  Activity: Reversible Reactions Simulation Mark as Favorite (6 Favorites)

  In this activity, students will investigate how temperature, activation energy, initial amounts of products and reactants, and type of reaction (exo- or endothermic) effect the equilibrium position of a reaction using a simulation.

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  Combustion, Heat of Combustion | High School

  Lesson Plan: Redesigning a Car for the Environment Mark as Favorite (13 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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  Exothermic & Endothermic | High School

  Lab: Exothermic and Endothermic Lab Mark as Favorite (12 Favorites)

  In this lab, students determine whether mixing two chemicals is endothermic or exothermic. One is a physical change, one is a chemical change.

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  Atomic Theory, Law of Conservation of Energy | High School

  Activity: Simulation Actvity: Exciting Electrons Mark as Favorite (21 Favorites)

  In this simulation, students will explore what happens when electrons within a generic atom are excited from their ground state. This is a qualitative investigation, not meant to mimic any particular atom.

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  Heat of Combustion, Combustion, Heat, Temperature, Calorimetry, Specific Heat, Enthalpy, Bond Energy, Scientific Method, Experimental design, Graphing, Accuracy, Error analysis | High School

  Activity: Evaluating Fuels Mark as Favorite (3 Favorites)

  In this activity, students measure the heats of combustion of four fuels and compare them as potential replacements for gasoline.

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  Entropy | High School

  Activity: Entropy Mark as Favorite (6 Favorites)

  In this activity, students will define entropy and be able to recognize entropy changes in chemical reactions.