76 – 100 of 136 Classroom Resources

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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.

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  Solubility Rules, Classification of Reactions, Precipitate, Net Ionic Equation | High School

  Lesson Plan: Do it Yourself Color! Mark as Favorite (25 Favorites)

  In this lesson students will use solubility rules to predict whether the product of a double displacement or metathesis reaction will produce a precipitate. Students will then investigate a series of reactions to verify solubility rules. Finally students will determine the identity of unknown solutions based on experimental evidence.

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  Mixtures, Molecular Structure, Separating Mixtures, Solute & Solvent | High School

  Lesson Plan: What Type of Mixture is Paint? Mark as Favorite (17 Favorites)

  In this lesson students will use simple laboratory tests to characterize differences between solutions, colloids, and suspensions. They will then apply those tests to paints to classify them as specific types of mixtures.

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  Chemical Change, Beer's Law, Redox Reaction, Reduction, Oxidation, Concentration, Reaction Rate | High School

  Lesson Plan: Rustbusters! A Lab Activity on Corrosion Mark as Favorite (12 Favorites)

  In this lesson students learn about factors affecting the rate of corrosion and evaluate the efficiency of different protective coatings to simulate products used in industry when building metal structures like ships or bridges.

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  Electromagnetic Spectrum, Molecular Structure, Mixtures | Middle School, High School

  Video: What are Pigments? Video Mark as Favorite (14 Favorites)

  This video discusses the chemistry of pigment molecules and how they are used to give paints their specific color. Students will learn about the importance of a pigment’s molecular structure, how they are physically suspended to create a paint color, as well as how they interact with light.

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  Mixtures, Solute & Solvent, Intermolecular Forces, Intermolecular Forces, Molecular Formula, Molecular Structure, Polymers, Electromagnetic Spectrum | Middle School, High School

  Video: What is Paint? Video Mark as Favorite (17 Favorites)

  This video investigates the composition of paint, while analyzing the fundamental chemistry principles of its main components. Students will learn about the differences between three common paint types, water colors, oil-based and acrylic paint as well as the chemistry of each.

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  Titrations, Indicators, Molarity, Concentration | High School

  Demonstration: How to Perform a Titration Mark as Favorite (36 Favorites)

  In this demonstration, the teacher will show how a titration is set-up and performed. Also, the teacher will utilize different indicators to show how they work and why they are necessary. At the end of the demonstration, the teacher will also explain how to calculate the molarity of the unknown substance.

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  Buffers, Solubility, Molecular Structure | High School

  Lab: Aspirin Tablets: Are they all the Same? Mark as Favorite (55 Favorites)

  In this lab, students will design an experiment to test the time and completeness of dissolution of various types of aspirin in different pH environments.

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  Scientific Method, Observations, Inferences, Intermolecular Forces, Mixtures | High School

  Lab: Magic Milk Mark as Favorite (48 Favorites)

  In this lab, students will investigate the addition of detergent to a mixture of whole milk and food coloring. Students will attempt to explain the cause of their observations. Also, students will have the opportunity to manipulate the experiment and determine how other variables may impact the results.

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  Le Châtelier's Principle, Reversible Reactions, Concentration | High School

  Lab: Le Chatelier’s Soda Mark as Favorite (86 Favorites)

  In this lab, students will observe how the equilibrium of a chemical reaction is affected when a change in pressure, temperature, and concentration is applied to the system.

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  Solubility, Solute & Solvent | Middle School, High School

  Lab: What's the Solution? Mark as Favorite (33 Favorites)

  In this lab students will choose one factor that can affect the rate at which a solute will dissolve into solution –amount of stirring, temperature, or particle size, and will design a procedure that can be used to determine how it will affect rate of solution. Students will identify one of the factors above as the independent variable and will determine how it affects the solubility rate as supported by time required to dissolve the solute.

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  Solubility, Solute & Solvent | High School

  Demonstration: Root Beer Chemistry Mark as Favorite (12 Favorites)

  In this demonstration, students will understand the factors affecting solubility of both a solid and a gas in a liquid through the process of making root beer.

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  Ionic Bonding, Net Ionic Equation | High School

  Lab: The pH of Salts Mark as Favorite (17 Favorites)

  In this lab, students will determine whether an aqueous solution is acidic, basic, or neutral. Students will write net ionic equations for the hydrolysis of a solution.

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  Beer's Law, Molarity, Concentration | High School

  Lab: Beer's Law Discovered Mark as Favorite (31 Favorites)

  In this laboratory investigation, students will explore the concepts of light absorption, transmittance, and the relationship between absorbance, path length, and concentration of solution.

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  Concentration, Mixtures, Interdisciplinary, Scientific Method, Measurements | Middle School, High School

  Lab: Effect of Salt Concentration on Plants Mark as Favorite (9 Favorites)

  In this lab, students will observe how salt concentration can affect the structure of a potato tuber.

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  Freezing Point, Phase Changes, Freezing Point Depression | Middle School, High School

  Lab: Freezing Ice Cream Mark as Favorite (42 Favorites)

  In this lab, students will investigate changing states of matter, chemical reactions, and the properties of ice and salt while creating their own ice cream.

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

  Lab: Starch-Iodine Clock Reaction Mark as Favorite (65 Favorites)

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

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  Molarity, Concentration, Mole Concept | High School

  Demonstration: What Is a 1 Molar Solution? Mark as Favorite (34 Favorites)

  In this demonstration, students will determine the molarity of several different solutions demonstrated by the teacher.

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  Activity Series, Chemical Change, Oxidation, Reduction, Net Ionic Equation, Redox Reaction, Observations | High School

  Lab: Fine Art of Redox Mark as Favorite (24 Favorites)

  In this lab, students will practice writing and balancing redox reactions and use the activity series to verify the outcome of a chemical reaction.

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  Solubility, Solute & Solvent, Mixtures, Intermolecular Forces, Intermolecular Forces, Polarity, Molecular Geometry | Elementary School, Middle School, High School

  Animation: Solubility Animation Mark as Favorite (78 Favorites)

  This animation explores how ionic and molecular compounds dissolve (or don’t) in water. Students will see that if an ionic compound such as salt dissolves, the ions dissociate, whereas the molecules in a molecular compound such as sugar remain intact but are separated from one another by water molecules. They will also see that some ionic compounds such as chalk do not dissolve, and the cations and anions remain stuck together. **This video has no audio**

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  Balancing Equations, Precipitate, Solubility Rules | High School

  Animation: Net Ionic Equations Animation Mark as Favorite (62 Favorites)

  This animation explores what happens in a precipitate reaction on the particulate level. Students will see why writing a net ionic equation accurately represents what happens in these scenarios. An example of diluting a soluble solid, mixing two aqueous reactants that yield aqueous products, and mixing two aqueous reactants that yield a precipitate are part of this animation. **This video has no audio**

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  Solubility, Solute & Solvent, Precipitate, Saturated/Unsaturated/Supersaturated | High School, Elementary School, Middle School

  Lab: Winter Crystals Mark as Favorite (47 Favorites)

  In this lab, students will create a supersaturated solution by dissolving borax in boiling water. They will create a snowflake using pipe cleaner to suspend in the solution, which will serve as a nucleation site for crystallization as the solution cools and remains undistributed overnight. This lab gives students an opportunity to experience the exciting crystallization process and become more familiar with an engaging chemistry spectacle!

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  Limiting Reactant, Percent Yield, Stoichiometry, Balancing Equations, Net Ionic Equation, Concentration, Molarity, Precipitate, Solubility, Dimensional Analysis, Mole Concept, Observations, Graphing, Separating Mixtures, Identifying an Unknown | High School

  Lab: White Lab Mark as Favorite (52 Favorites)

  In this lab, students use molarity concepts to review limiting reactant concepts mathematically, conceptually, and graphically. They can then carry out a follow up investigation to identify an unknown using concepts learned in the first investigation.

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  Titrations, Concentration, Indicators, Acid Base Reactions, Equivalence Point, Molarity | High School

  Lab: Lethal Dose Mark as Favorite (34 Favorites)

  In this lab, students will perform several titrations to calculate the concentration of potentially “lethal” medicycloprophic solutions.

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

  Lab: Kool-Aid Mark as Favorite (72 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.