176 – 200 of 203 Classroom Resources

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  Conservation of Mass, Chemical Change, Chemical Change, Observations | High School, Middle School

  Lab: Conservation of Mass Mark as Favorite (6 Favorites)

  In this lab, students perform three simple experiments, recording the mass of a substance before and after a reaction. They then explain how the law of conservation of mass was not violated, even if the mass changed.

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  Condensation, Chemical Change, Functional Groups, Lewis Structures | High School

  Lab: Condensation Reaction Mark as Favorite (11 Favorites)

  In this lab, students will use Lewis structures to explain the mechanism of an organic condensation reaction between a carboxylic acid and an alcohol, also known as an esterification reaction.

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

  Lab: Classifying Reaction Types Mark as Favorite (95 Favorites)

  In this lab, students will carry out seven reactions and classify their reaction types. They will make observations, predict products, and balance the equations that represent the chemical reactions that are occurring.

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  Classification of Reactions, Culminating Project, Review, Interdisciplinary | High School

  Project: Classifying Reaction Types Mini Poster Mark as Favorite (69 Favorites)

  In this activity, students display their knowledge of the five main types of chemical reactions on a miniature sized poster.

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  Balancing Equations, Chemical Change, Observations | High School, Middle School

  Lab: Chemical Reactions & Equations Mark as Favorite (47 Favorites)

  In this lesson, students will observe a series of reactions, make observations, and then write balanced chemical equations to chemically describe what they observed.

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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 (11 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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  Reversible Reactions, Observations, Chemical Change, Physical Change | High School

  Lab: Breath Test Mark as Favorite (7 Favorites)

  In this lab, students investigate whether chemical reactions can happen only in one direction, or whether they can be "undone."

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  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.

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  Stoichiometry, Percent Yield, Classification of Reactions, Balancing Equations, Chemical Change, Dimensional Analysis, Error Analysis, Measurements, Accuracy | High School

  Lab: Baking Soda Stoichiometry Mark as Favorite (53 Favorites)

  In this lab, students will decompose baking soda and use stoichiometry to determine the proper balanced chemical equation of its decomposition.

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  Chemical Change, Identifying an Unknown, Physical Properties, Chemical Properties, Chemical Change, Experimental Design, Scientific Method | High School, Middle School

  Lab: As Easy as Pie Mark as Favorite (59 Favorites)

  In this lab, students will use chemical and physical properties to identify an unknown powder.

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  Percent Composition, Identifying an Unknown, Net Ionic Equation, Stoichiometry, Error Analysis, Molar Mass | High School

  Lab: Analysis of Carbonate Compounds Mark as Favorite (56 Favorites)

  In this lab, students calculate the molar masses of three unknown carbonate compounds by measuring the amount of product (CO2) produced by a reaction with hydrochloric acid.

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  Titrations, Limiting Reactant, Acid Base Reactions, Indicators, Chemical Change, Equivalence Point, Stoichiometry, Balancing Equations, Chemical Change, Graphing, Error Analysis, Chemical Change, Error Analysis, Measurements, Concentration, Molarity | High School

  Lab: Acid-Base Mole Ratio Mark as Favorite (13 Favorites)

  In this lab, students study several concepts, including acid-base reactions, limiting reactants, and stoichiometry, by observing the contained reaction of acetic acid (diluted vinegar) with sodium hydrogen carbonate (baking soda) in an unconventional, cost effective titration.

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  Chemical Change, Gas Laws, Stoichiometry, Balancing Equations, Volume, Dimensional Analysis, Mole Concept | High School

  Project: Air Bag Stoichiometry Mark as Favorite (121 Favorites)

  In this lab, students make real-world connections of stoichiometry with the design of car air bags.

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  Limiting Reactant, Acid Base Reactions, Stoichiometry, Indicators, pH, Dimensional Analysis, Mole Concept, Measurements, Concentration, Molarity | High School

  Lab: Acid/Base Stoichiometry Mark as Favorite (12 Favorites)

  In this lab, students experience a limiting reactant and can physically see the difference in amounts of product generated. They also see which reactant is in excess.

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  Chemical Change, Observations, Exothermic & Endothermic, Temperature, Chemical Change, Physical Change, Physical Properties | High School, Middle School

  Lab: Observing a Chemical Reaction Mark as Favorite (25 Favorites)

  In this lab, students will practice making careful observations and measurements while witnessing a chemical change.

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  Observations, Combustion, Phase Changes, Experimental Design, Scientific Method | High School, Middle School

  Lab: Observing a Candle Mark as Favorite (16 Favorites)

  In this lab, students accumulate observations of a candle including a look at the combustion reaction's reactants and products.

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  Limiting Reactant, Classification of Reactions, Stoichiometry, Balancing Equations, Error Analysis | High School

  Lab: Mole Relationships in a Single Displacement Reaction Mark as Favorite (24 Favorites)

  In this lab, students will carry out a reaction between metallic copper and an aqueous solution of silver nitrate to determine the mole ratio between the reactants and the products and write a balanced equation based on the data.

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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 (89 Favorites)

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

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  Chemical Change, Combustion, Balancing Equations, Density, Specific Heat | High School

  Demonstration: Methane Bubble (Dragon Ball Z) Mark as Favorite (6 Favorites)

  In this demonstration, students will observe the combustion of a methane bubble. This exciting demonstration can be used as a dramatic and engaging introduction to the concepts of combustion reactions, chemical change, and balancing equations.

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  Stoichiometry, Gas Laws, Ideal Gas, Pressure, Volume, Temperature, Interdisciplinary | High School

  Lesson Plan: Mechanisms and Properties of Airbags Mark as Favorite (31 Favorites)

  In this lesson students will learn about the mechanisms and properties of airbags, and examine the choice of airbag inflator from several points of view.

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  Conservation of Mass, Matter, Conservation of Matter, Conservation of Matter, Conservation of Mass, Balancing Equations, Chemical Change, Predicting Products, Experimental Design, Chemical Change, Observations | High School

  Lab: Matter Matters Mark as Favorite (18 Favorites)

  In this lesson, students will investigate the Law of Conservation of Mass.

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  Conservation of Mass, Measurements, Conservation of Mass, Chemical Change, Observations, Physical Change, Chemical Change | High School, Middle School

  Lab: Mass & Change Mark as Favorite (16 Favorites)

  In this lab, students will use unified particle pictures of solid, liquid, and gas to explain the law of conservation of mass after carrying out various experiments.

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  Chemical Change, Observations, Acids & Bases, Chemical Change, Mixtures | Elementary School, Middle School, High School

  Demonstration: Inflating a Balloon with Chemistry Mark as Favorite (29 Favorites)

  In this demonstration, the teacher will perform a reaction between acetic acid (vinegar) and sodium bicarbonate (baking soda) in order to inflate a balloon and to introduce the concept of a chemical reaction to students. Students will observe the reaction, and identify indicators of chemical change as well as discuss the different types of matter that are involved.

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  Exothermic & Endothermic, Classification of Reactions, Energy Diagrams, Bond Energy, Activation Energy, Temperature, Chemical Change | Middle School, High School

  Simulation: Energy Changes in Chemical Reactions Mark as Favorite (41 Favorites)

  In the November 2016 simulation, students will evaluate the energy changes in an endothermic and an exothermic chemical reaction. Students will have the opportunity to compare how energy is absorbed and released in each reaction, and will make a connection between the standard energy diagrams associated with each reaction type.

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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 (34 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.