51 – 75 of 107 Classroom Resources

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  Physical Properties, Mixture, Matter, Physical Change, Interdisciplinary, Separating Mixtures | Elementary School

  Activity: Creating Finger-Paint from Rocks Mark as Favorite (0 Favorites)

  In this activity, the students will explore the physical properties of different rocks. Students will have the opportunity to physically change the rocks, and make them part of a mixture in order to create finger paint.

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  Solubility, Solute & Solvent | Middle School, High School

  Lab: What's the Solution? Mark as Favorite (12 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 (6 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 (8 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 (7 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 (4 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 (10 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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  Molarity | High School

  Demonstration: What Is a 1 Molar Solution? Mark as Favorite (10 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 (6 Favorites)

  In this lab, students will use the activity series to verify the outcome of a chemical reaction.

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  Solubility, Solute & Solvent, Reaction Rate, Physical Change | Elementary School

  Lab: M&M's Solution Mark as Favorite (1 Favorite)

  In this lab, students will investigate dissolving using M&M’s and will determine whether dissolving happens faster without assistance, or with the assistance of the tongue and teeth.

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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 (24 Favorites)

  In an animation, students will have an opportunity to visualize on the particulate level how solubility works. Examples of ionic compounds and a polar covalent compound show how when water is attracted to charged parts, they dissolve, and when they're not attracted to charged parts they stay solid. **This video has no audio**

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  Balancing Equations, Precipitate, Solubility Rules | High School

  Animation: Net Ionic Equations Animation Mark as Favorite (22 Favorites)

  In this animation, students will witness a precipitate reaction on the particulate level to understand why a net ionic equation represents what happens in these reaction types. 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 | High School, Elementary School, Middle School

  Lab: Winter Crystals Mark as Favorite (12 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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  Calorimetry, Exothermic & Endothermic, Temperature, Stoichiometry, Limiting Reactant, Chemical Change, Molarity | High School

  Lab: Less Than Zero Mark as Favorite (6 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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  Titrations, Concentration | High School

  Lab: Lethal Dose Mark as Favorite (13 Favorites)

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

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  Molarity | High School

  Lab: Kool-Aid Mark as Favorite (16 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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  Polarity, Polymers, Molecular Structure, Monomer, Intermolecular Forces, Scientific Method, Chemical Change, Intermolecular Forces | Middle School

  Lesson Plan: Watch the Baby! Superabsorbent Polymer Mark as Favorite (2 Favorites)

  In this lesson, students will learn about how polymers, specifically superabsorbent polymers, work. Through lab activities, students will investigate polymer properties.

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  History, Interdisciplinary, Physical Properties, Chemical Properties, Observations, Mixtures | Middle School, High School

  Lab: Top Secret Mark as Favorite (6 Favorites)

  In this lab, students will learn about the history of invisible ink and will have the opportunity to compare two types of homemade invisible ink recipes.

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  Net Ionic Equation, Chemical Change, Solubility Rules, Solubility, Precipitate, Balancing Equations, Chemical Change | High School

  Lab: Ions in Aqueous Solution Presentation Mark as Favorite (2 Favorites)

  In this lab, students will mix ionic solutions to determine what combinations form precipitates.

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  Titrations, Equivalence point, Indicators, Acid Base Reactions, Chemical Change, Salts, Molarity, Reaction Rate, Order of Reaction , Error analysis | High School

  Lab: Titration Lab with Kinetics Mark as Favorite (4 Favorites)

  In this lab, students calculate the molarity of an unknown using a titration and also by solving for a dilution.

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  Separating Mixtures, Separating Mixtures | Elementary School

  Lab: Investigating Black Ink Mark as Favorite (2 Favorites)

  In this lab, students will discover that black ink is a mixture composed of a several different pigments through a chromatography investigation.

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  Concentration, Solute & Solvent, Mixtures, Solubility, Percent Composition | Middle School

  Lab: The Perfect Kool-Aid Concentration Mark as Favorite (4 Favorites)

  In this lab, the students will investigate how the concentration of a solution affects its properties such as color and taste.

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  Colligative Properties, Specific Heat | High School

  Lesson Plan: The Hot and Cold of it All Mark as Favorite (3 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.

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  Conductivity | High School

  Lab: Strong and Weak Electrolytes Mark as Favorite (4 Favorites)

  In this lab, students will analyze the conductivity of several common household solutions using a light emitting conductivity diode tester to determine if the solution is a strong or weak electrolyte. Students will interpret the brightness of the lightbulb to determine the strength of the electrolyte. Students will also have an opportunity to consider the connection between conductivity and bond type during this lab.

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  Solute & Solvent, Chemical Change, Solubility, Chemical Bond | Middle School

  Lab: A Sticky Situation Mark as Favorite (0 Favorites)

  In this lab, students will try to separate plastic spoons that have been attached together with different adhesive materials using a variety of solvents.