201 – 225 of 254 Classroom Resources

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  Balancing Equations, Classification of Reactions, Chemical Change, Identifying an Unknown, Molarity, Concentration | High School

  Lab: An Environmental Impact Study Mark as Favorite (82 Favorites)

  In this lab, students will test a water sample which comes from a local zoo, where, it is reported that many bird eggs are not hatching. Students will test the water for the presence of multiple ions. Once the type of ion in the water is determined, students will write balanced equations to illustrate their findings. Students will also conduct a serial dilution to determine the concentration, or molarity, of the ion in the water sample. This molarity will be compared to known values to determine if the materials in the water are at an unhealthy level.

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  Classification of Reactions, Balancing Equations, Stoichiometry, Redox Reaction, Net Ionic Equation | High School

  Lab: Inquiry Redox Investigation Mark as Favorite (37 Favorites)

  In this lab, students perform a simple redox reaction using an iron nail and copper(II) chloride solution. They will consider both quantitative and qualitative data collected during the reaction in order to attempt to explain what happened. Students will also create particle diagrams and determine mole ratios of various species in the reaction.

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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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  Classification of Reactions, Conductivity, Chemical Change, Precipitate | High School

  Demonstration: Sterno Mark as Favorite (2 Favorites)

  In this demonstration, students will observe a decomposition reaction that triggers a precipitate reaction that prevents a solution from conducting electricity.

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  Conservation of Mass, Exothermic & Endothermic, Chemical Change, Heat, Temperature, Observations, Chemical Change | High School, Middle School

  Lab: Kitchen Reaction Mark as Favorite (18 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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  Limiting Reactant, Classification of Reactions, Stoichiometry, Balancing Equations, Error Analysis | High School

  Lab: Mole Relationships in a Single Displacement Reaction Mark as Favorite (28 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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  Molecular Formula, Stoichiometry, Law of Definite Proportions, Dimensional Analysis, Mole Concept, Classification of Reactions | High School

  Lab: Finding the Formula of Magnesium Oxide Mark as Favorite (25 Favorites)

  In this lab, students will recognize that oxygen has mass and that heating can involve and increase in mass as an element reacts to become an oxide

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  Percent Yield, Redox Reaction, Balancing Equations, Reduction | High School

  Lab: Reduction of Metal Oxides Using Carbon Mark as Favorite (0 Favorites)

  In this lab, students reduce metal ores using an alternative apparatus to a traditional crucible.

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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 (60 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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  Cracking, Chemical Change, Functional Groups, Combustion | High School

  Demonstration: Cracking Reaction Mark as Favorite (1 Favorite)

  In this demo, students will witness a cracking reaction. They will verify the products by exposing the products to three side reactions.

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  Limiting Reactant, Percent Yield, Stoichiometry, Balancing Equations, Chemical Change, Error Analysis, Dimensional Analysis, Acid Base Reactions, pH | High School

  Lab: Limiting Reactant in a Balloon Mark as Favorite (58 Favorites)

  In this lab, students perform a reaction between acetic acid and sodium bicarbonate and determine the amount of product formed and the limiting reactant.

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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 (20 Favorites)

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

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

  Lab: Condensation Reaction Mark as Favorite (13 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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  Limiting Reactant, Stoichiometry, Dimensional Analysis, Mole Concept, Scientific Method | High School

  Lab: Limiting Reactants in Brownies Mark as Favorite (24 Favorites)

  In this lesson, students will investigate the idea of limiting reactant using a brownie recipe.

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  Acid Rain, Acid Base Reactions, Chemical Change, Chemical Change, Indicators, Equivalence Point, pH, Concentration, Molarity | High School

  Lab: Seeing the Effects of Acid Rain Mark as Favorite (18 Favorites)

  In this lesson, students will prepare an environment and make acid rain to see how the acid rain effects the items in the environment.

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

  Demonstration: Preparation of Hydrogen Mark as Favorite (2 Favorites)

  In this demo, students witness a single displacement reaction between zinc and sulfuric acid that produces hydrogen gas. The gas is collected via water displacement and ignited.

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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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  Identifying an Unknown, Culminating Project, Classification of Reactions, Experimental Design, Scientific Method, Interdisciplinary, Review, Balancing Equations, Stoichiometry, Concentration, Molarity | High School

  Lab: The Culminating Unknown Mark as Favorite (35 Favorites)

  In this lab, students identify an unknown from a list of 12 possible compounds by designing a procedure and using evidence to prove their claim. They must draw from knowledge gained throughout the year to properly develop a procedure to identify the unknown.

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  Molarity, Concentration, Saturated/Unsaturated/Supersaturated, Mole Concept, Dimensional Analysis, Stoichiometry, Balancing Equations | High School

  Lab: Kool-Aid Mark as Favorite (79 Favorites)

  In this lab, students calculate grams of Kool-Aid powder required to make 3 different solutions of Kool-Aid (using the molar mass of sugar) with the following concentrations: 0.2 M, 0.5 M, and 1.0 M. Determine the concentration of properly prepared Kool-Aid through a taste test.

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  Classification of Reactions, Oxidation, Reduction, Percent Yield, Stoichiometry, Chemical Change, Redox Reaction, Activity Series, Error Analysis, Dimensional Analysis, Mole Concept, Measurements | High School

  Lab: Extracting Copper From Ore Mark as Favorite (17 Favorites)

  In this lab, students extract copper from copper carbonate using two different methods, and then determine which industrial method is most effective.

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  Exothermic & Endothermic, Energy Diagrams, Heat, Temperature, Chemical Change | High School

  Lab: Exothermic and Endothermic Lab Mark as Favorite (56 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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  Combustion, Limiting Reactant, Catalysts, Gas Laws, Stoichiometry, Activation Energy, Enthalpy, Energy Diagrams, Experimental Design | High School

  Lab: Launching Rockets Mark as Favorite (77 Favorites)

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

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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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  Chemical Change, Classification of Reactions, Oxidation, Reduction, Redox Reaction, Electrons, Electron Transfer, Observations, Inferences, Chemical Change | Middle School

  Lesson Plan: One Tube Reaction Mark as Favorite (5 Favorites)

  In this lesson, students will observe a chemical change involving oxidation and reduction.

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

  Demonstration: Comparing Rates of Reaction Mark as Favorite (50 Favorites)

  In this demonstration, students observe the effect of temperature, concentration, and particle size on the rate of a chemical reaction.