26 – 50 of 167 Classroom Resources

• 

  Redox Reaction, Gibb's Free Energy , Spontaneous Reactions , Reduction, Oxidation, Half Reactions, Galvanic Cells, Electrons, Electron Transfer, Cathode, Anode, Reduction Potentials, Exothermic & Endothermic, Spontaneous vs. Non-spontaneous Reactions, Dimensional Analysis | High School

  Lesson Plan: How Far Can We Go? Mark as Favorite (8 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.

• 

  Calorimetry, Exothermic & Endothermic, Temperature, Stoichiometry, Limiting Reactant, Chemical Change, Molarity, Enthalpy, Heat, Concentration, Experimental Design, Scientific Method | High School

  Lab: Less Than Zero Mark as Favorite (36 Favorites)

  In this lab, students will investigate the endothermic reaction between baking soda and HCl. Students will consider stoichiometric ratios, molar concentrations, reaction scale, and calorimetry. The lab starts with a scripted reaction that uses given molar ratios, a glass beaker, and 2-M HCl. They will witness a temperature drop of about 5 to 8 C. Students then adjust the experiment so they can achieve a temperature drop of more than 20 C.

• 

  Electrolysis, Cathode, Anode, Half Reactions, Redox Reaction, Reduction, Oxidation, Electron Transfer, Balancing Equations, Exothermic & Endothermic | High School

  Lab: Electrolysis of Water Mark as Favorite (38 Favorites)

  In this lab, students will perform the electrolysis of water using a battery, test tubes, thumbtacks, and a plastic cup.

• 

  Heat of Neutralization, Acid Base Reactions, Exothermic & Endothermic, Temperature, Specific Heat, Calorimetry, Bond Energy, Net Ionic Equation, Molarity, Dimensional Analysis, Measurements, Mole Concept | High School

  Lab: Heat of Neutralization Mark as Favorite (6 Favorites)

  In this lab, students carry out an acid-base reaction to calculate the heat of neutralization based on experimental data. This lab will reinforce the concepts of exothermic and endothermic processes, system and surroundings, and heat of reaction (specifically, neutralization).

• 

  Calorimetry, Exothermic & Endothermic, Heat, Specific Heat, Temperature, Scientific Method, Graphing, Experimental Design | High School

  Lab: Cool Science: Building and Testing a Model Radiator Mark as Favorite (21 Favorites)

  In this lab students construct a model of a car radiator to investigate parameters that lead to efficient cooling. Students investigate multiple variables as they experiment with various radiator designs. This lesson focuses on thermochemistry calculations and engineering practices.

• 

  Exothermic & Endothermic, Redox Reaction, Oxidation, Spontaneous Reactions , Classification of Reactions | High School

  Demonstration: Potassium Permanganate Volcano Mark as Favorite (32 Favorites)

  In this demonstration, glycerol is oxidized by using potassium permanganate as a catalyst. This gives off a tremendous amount of heat, light, and gas as a volcano of purple flames emit. It is an excellent way to introduce exothermic reactions and discuss spontaneous reactions.

• 

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

  Demonstration: Potassium Permanganate Demo Mark as Favorite (10 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.

• 

  Concentration, Beer's Law, Electromagnetic Spectrum | High School

  Lesson Plan: Using Color to Identify an Unknown Mark as Favorite (15 Favorites)

  In this lesson students will utilize spectrophotometry to identify the wavelength of maximum absorbance for a food dye. They will also generate a Beer's Law Standard Curve, and utilize their skills to identify the different dyes and their concentrations in an unknown mixture. The lesson culminates with an extension to utilizing a similar method in color matching paint.

• 

  Atomic Theory, Law of Conservation of Energy, Electrons, Electromagnetic Spectrum | High School

  Activity: Simulation Activity: Exciting Electrons Mark as Favorite (91 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.

• 

  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

  Lesson Plan: AP Chemistry Experimental Evidence Review Mark as Favorite (44 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.

• 

  Emission Spectrum, Emission Spectrum, Electromagnetic Spectrum, Subatomic Particles, Electrons, Atoms, Atomic Theory, Model of the Atom | High School

  Lesson Plan: Modeling Energy in Chemistry: Energy and the Electron Mark as Favorite (65 Favorites)

  This activity is designed for students to build a scientific argument about the relationship between energy and spectral lines by exploring how light interacts with atoms. In the process, students will examine proposed models of the hydrogen atom and use collected data to analyze the proposed models. They will then select one of the models and write a scientific argument to support their choice. Students will then review additional data to support and/or refute their selection. Based on their analysis, students will revise their selected model and construct a new argument to support their revisions.  

• 

  Catalysts, Order of Reaction , Activation Energy, Lewis Structures, Resonance, Molecular Geometry, Activation Energy, Energy Diagrams | High School

  Lesson Plan: The Downside to Catalysts - An Exploration of CFC's on the Ozone Layer Mark as Favorite (37 Favorites)

  In this lesson students will make observations of a colorful homogenous catalyst and intermediate in a reaction demonstration that will spark their interests. They will then work in teams to analyze graphs and data sets in order to make a real-world connection to AP topics in kinetics such as catalysts, intermediates and reaction mechanisms by exploring how CFCs work to break down the ozone layer. Students will also investigate and discuss this environmental issue.

• 

  Electromagnetic Spectrum, Radiation | High School

  Activity: Investigating Infrared Light Mark as Favorite (4 Favorites)

  In this activity, students will use a phone camera to see the infrared light emitted by a television remote. They will use the electromagnetic spectrum to compare the energy of infrared light to visible light and make conjectures related to other types of light.

• 

  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 (16 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.

• 

  Electromagnetic Spectrum, Observations, Scientific Method, Experimental Design, Error Analysis, Accuracy, Chemical Properties | High School

  Lesson Plan: Screen Your Sunscreen! Mark as Favorite (6 Favorites)

  In this lesson, students will learn more about UV radiation, its effect on skin, and the different ways in which sunscreen protects skin. After exploring this, students will develop an investigation to assess the claims made by different sun protection products. Students will compare the effectiveness of a variety of sunscreens and/or clothing that claim to offer sun protection. The lab will be wrapped up with a CER-style report.

• 

  Radiation, Molecular Structure, Polarity, Heat | High School

  Lesson Plan: Why Does Carbon Get Such a Bad Rap? Mark as Favorite (4 Favorites)

  In this lesson, students will use a climate change scenario to understand the role that polar bonds play in whether a molecule can be considered a greenhouse gas, while learning the particle nature of matter-energy interactions.

• 

  Radiation, Electromagnetic Spectrum, Heat, Temperature, Experimental Design, Graphing, Interdisciplinary | Middle School, High School

  Lesson Plan: The Ozone Layer Mark as Favorite (7 Favorites)

  In this lesson, students will develop an explanation for the consequences of ozone depletion on Earth by planning and carrying out an investigation. Students will use analysis and interpretation of data to develop a model to explain the cause and effect of Ozone depletion on the planet Earth.

• 

  Exothermic & Endothermic, Temperature, Heat of Combustion, Chemical Change | Middle School

  Lesson Plan: Chemical Volcanoes - A Tale of Two Reactions Mark as Favorite (0 Favorites)

  In this lesson, students will use volcanoes as a vehicle to learn about the differences between endothermic and exothermic reactions by completing a hands-on activities and observing a teacher-led demonstration.

• 

  Concentration, Graphing, Electromagnetic Spectrum | High School

  Lesson Plan: Determining the Time of Death Mark as Favorite (41 Favorites)

  In this lesson, students will perform a flame test on a sample of vitreous humor (liquid found in the eyeball) in a forensic investigation. They will determine which element from the sample is used to determine the time of death. Then they will engineer a simple spectrophotometer to quantify that element. Evaluating a fake sample of vitreous humor in their spectrophotometer will help them determine the time of death for a hypothetical cadaver.

• 

  Colligative Properties, Specific Heat, Freezing Point Depression, Solute & Solvent, Concentration, Heat, Temperature, Calorimetry, Error Analysis | High School

  Lesson Plan: The Hot and Cold of it All Mark as Favorite (13 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.

• 

  Electromagnetic Spectrum, Emission Spectrum, Emission Spectrum, Electrons | Middle School, High School

  Lesson Plan: Let it Glow Mark as Favorite (40 Favorites)

  In this lesson students will investigate the fluorescence of a variety of everyday items as well as prepared samples under a black light. Students will examine the concepts of absorption and subsequent emission of photons, as well as wavelength, frequency, and energy of electromagnetic radiation. As extension activities, students will learn about phosphorescence and research real-life applications of photoluminescence.

• 

  Electromagnetic Spectrum, Redox Reaction, Molecular Structure, Law of Conservation of Energy, Half Reactions, Oxidation Number, Oxidation, Reduction, Intermolecular Forces | High School

  Lesson Plan: Fading Away Mark as Favorite (16 Favorites)

  In this lesson students will explore photodegradation of color. First, students will view how fading of paint has affected Van Gogh’s great works of art and the efforts that are being taken to conserve these works. While exploring, students will actively engage in research to relate the fading process to redox reactions, X-Ray diffraction, solute-solvent interactions, and light/energy calculations. Students will then act as an Engineering Task Force and brainstorm to identify how photodegradation affects modern day objects and plan how to address their fading in an effort to market to the airliner Jetstar

• 

  Molecular Structure, Molecular Structure , Interdisciplinary, Chemical Change, Distillation, Renewable Energy, Enthalpy, Stoichiometry, Chemical Change, Combustion | High School

  Lesson Plan: Biofuels of the Future Mark as Favorite (11 Favorites)

  In this lesson students will explore the world of automobile alternative energy sources through the study of biofuels. They will design and create an e-book that illustrates and explains one of the provided topics or an original idea approved by the teacher.

• 

  Electromagnetic Spectrum, Emission Spectrum | Middle School

  Lesson Plan: Understanding Light & Color Mark as Favorite (19 Favorites)

  In this lesson students use spectroscopes to analyze the colors of sunlight reflected off a white surface, and determine various colors of light emitted by a multicolor LED bulb at different color settings. They predict what color an object will appear when observed under a certain color of light, and test their predictions with the LED bulb. Students explore how a color wheel can provide a useful model for determining the colors of light an object may absorb or reflect. Finally, students will investigate the color yellow. Many objects that appear yellow are not reflecting yellow light, but reflecting green and red. Students use their spectroscopes to search for objects that truly reflect yellow light.

• 

  Phase Changes, Melting Point, Heat | Elementary School

  Lesson Plan: Chocolate Changes Mark as Favorite (1 Favorite)

  In this lesson, students will review what they know about the three states of matter (solid, liquid, and gas). They will perform a word sort about states of matter and discuss how substances can exist in more than one state of matter. Following this they will contribute to a KWL (Know, Want to know, Learned) chart. The teacher will conclude the lesson with a demonstration using chocolate.