26 – 50 of 522 Classroom Resources

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  Establishing Equilibrium, Reaction Quotient, Graphing, Equilibrium Constants | High School

  Activity: Shaking Dice to Model Equilibrium Principles Mark as Favorite (22 Favorites)

  In this activity, students work together in small groups using a variety of multi-sided dice to model the dynamic character of a chemical equilibrium. Students will collect, share and analyze data in order to understand that the rate of a chemical reaction depends on the concentration of reactants (and products) as modelled by the different sided dice.

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  Heat, Temperature, Specific Heat, Law of Conservation of Energy, Enthalpy, Calorimetry, Exothermic & Endothermic, Balancing Equations, Chemical Change, Measurements, Mole Concept, Dimensional Analysis, Culminating Project, Interdisciplinary, Review, Graphing, Observations, Chemical Properties, Physical Properties | High School

  Project: Handwarmer Design Challenge Mark as Favorite (44 Favorites)

  In this project, students will use their knowledge of thermodynamics to design a handwarmer for a manufacturing company that can maintain a temperature of 30-40°C for at least 5 minutes and is designed for the average human hand. Students will create a final product after rounds of testing and an advertising poster that summarizes the results of their testing and promotes their design.

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  Exothermic & Endothermic, Physical Change, Heat, Temperature, Observations, Intermolecular Forces, Solute & Solvent, Saturated/Unsaturated/Supersaturated | High School, Middle School

  Lesson Plan: Particle Modeling of Hand Warmers Mark as Favorite (23 Favorites)

  In this lesson, students will create a particulate model of matter that explains energy changes and transfer during a physical process, such as the crystallization of a solid from a supersaturated solution.

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  Le Châtelier's Principle, Establishing Equilibrium, Reversible Reactions, Reaction Rate, Equilibrium Constants, Graphing | High School

  Lab: Dynamic Equilibrium Simulation Mark as Favorite (33 Favorites)

  In this lab, students will explore equilibrium using paper clips to mimic a chemical reaction.

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  Exothermic & Endothermic, Heat, Specific Heat, Temperature, Enthalpy, Calorimetry, Observations, Inferences | High School, Middle School

  Demonstration: Energy in Hot and Cold Packs Mark as Favorite (25 Favorites)

  In this demonstration, students will observe temperature changes in chemical hot and cold packs and discuss processes of endothermic and exothermic changes. They will also see that common household products can be used to make a hot and cold pack.

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  Exothermic & Endothermic, Physical Change, Temperature, Freezing Point, Boiling Point | High School, Middle School

  Demonstration: Energy Mark as Favorite (10 Favorites)

  In this demonstration, students will observe the exothermic and endothermic properties of state changes of substances with different freezing and boiling points.

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  Reaction Rate, Graphing, Temperature, Concentration | High School, Middle School

  Lab: Starch-Iodine Clock Reaction Mark as Favorite (71 Favorites)

  In this lab, students perform an iodine clock reaction to determine how concentration and temperature effect the reaction rate.

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  Reaction Rate, Chemical Change, Reaction Rate, Observations | Middle School, Elementary School, High School

  Demonstration: Simple Kinetics Mark as Favorite (58 Favorites)

  In this demonstration, students will see that different food dyes react with bleach at different rates.

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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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  Catalysts, Reaction Rate, Experimental Design, Scientific Method, Chemical Change, Error Analysis, Balancing Equations, Percent Yield, Stoichiometry, Chemical Change, Measurements, Error Analysis, Dimensional Analysis | High School

  Lesson Plan: Catalysis & Catalytic Converters Mark as Favorite (12 Favorites)

  In this lesson students will be introduced to catalysts while expanding their knowledge of chemical reactions and stoichiometry. They will first learn about catalytic converters and then be challenged to create the best “catalytic converter” of hydrogen peroxide to oxygen gas in an inquiry-based activity.

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  Titrations, Strong vs Weak, Indicators, pH, Equivalence Point, Acid Base Reactions, Balancing Equations, Graphing | High School

  Lab: Titration Curves Mark as Favorite (21 Favorites)

  In this lab, students graphically observe a plot of micro acid/base titrations and determine the equivalence point of each plotted curve.

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

  Lab: Recycling Copper: Understanding Chemical Reactions Mark as Favorite (39 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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  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.

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

  Lab: It's Time to React Mark as Favorite (72 Favorites)

  In this lab, students will conduct four chemical reactions and analyze each for indicators of a chemical reaction. Based on their observations students will write a balanced chemical equation for each reaction as well as identify the reaction type for each reaction.

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  Indicators, Identifying an Unknown | Middle School, High School

  Lab: Indicators of Acids and Bases Mark as Favorite (32 Favorites)

  In this lab, students will use various indicators to identify unknown (clear) solutions as acidic, basic, or neutral.

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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 (29 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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  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.

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  Indicators, Le Châtelier's Principle, Acid Base Reactions, Chemical Change, Chemical Change, Limiting Reactant, Reaction Rate, Observations, Chemical Change | High School

  Demonstration: Milk of Magnesia Magic Mark as Favorite (99 Favorites)

  In this demonstration, students will observe a color change in a milk of magnesia solution as vinegar is added.

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  Physical Properties, Intermolecular Forces, Identifying an Unknown, Experimental Design, Scientific Method, Error Analysis, Graphing, Molecular Structure | High School

  Lesson Plan: The Importance of Motor Oil Viscosity in Optimal Car Functioning Mark as Favorite (16 Favorites)

  In this lesson students will determine how temperature affects viscosity and relate the data to the structure of motor oil and the optimal functioning of a car.

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  Isomers, Intermolecular Forces, Molecular Geometry, Molecular Structure, Intermolecular Forces, Boiling Point, Melting Point, Phase Changes, Isomers, Molecular Structure , Distillation, Separating Mixtures, Physical Properties | High School

  Lesson Plan: Structural Isomers Mark as Favorite (17 Favorites)

  In this activity, students will use models to explore structural isomers, and create explanations for the impact of structure on intermolecular forces (London dispersion) and physical properties (boiling point).

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

  Demonstration: Secret Message Mark as Favorite (4 Favorites)

  In this lesson, students will observe a hidden message while understanding simple acid/base chemistry and indicators.

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  Titrations, Concentration, Acid Base Reactions, Indicators, Molarity, Interdisciplinary | High School

  Lab: Calculating Acid in Lemon-Lime Soda Mark as Favorite (55 Favorites)

  In this lab, students will investigate the molarity of citric acid in a clear, lemon-lime flavored soft drink through titrations with 0.10M NaOH and an indicator.

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  Physical Properties, Observations, Experimental Design, Scientific Method | High School

  Lesson Plan: Not Breaking Up is Hard to Do: the Properties of Glass Mark as Favorite (18 Favorites)

  In this lesson students will learn about the properties of glass, and relate those properties to the new engineering design of glass in a car.

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  Beer's Law, Concentration, Physical Properties | High School

  Lesson Plan: Introduction to Color Mark as Favorite (7 Favorites)

  In this lesson students explore the properties related to color and how those properties vary with changes in concentration. This lesson introduces the use of a spectrophotometer to measure wavelength and absorbance in colored solutions as well as the use of Beer’s Law to determine an unknown concentration.