Classroom Resources: Solutions


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51 – 75 of 121 Classroom Resources

  • Solubility, Molecular Structure, Buffers | High School

    Lab: Aspirin Tablets: Are they all the Same?

    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.

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

    Activity: Creating Finger-Paint from Rocks

    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.

  • Solubility, Solute & Solvent | High School, Middle School

    Lab: What's the Solution?

    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.

  • Solubility, Solute & Solvent | High School

    Demonstration: Root Beer Chemistry

    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.

  • Ionic Bonding, Net Ionic Equation | High School

    Lab: The pH of Salts

    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.

  • Concentration, Molarity, Beer's Law | High School

    Lab: Beer's Law Discovered

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

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

    Lab: Effect of Salt Concentration on Plants

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

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

    Lab: Freezing Ice Cream

    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.

  • Concentration, Molarity, Mole Concept | High School

    Demonstration: What Is a 1 Molar Solution?

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

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

    Lab: Fine Art of Redox

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

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

    Lab: M&M's Solution

    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.

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

    Animation: Solubility Animation

    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**

  • Precipitate, Balancing Equations, Solubility Rules | High School

    Animation: Net Ionic Equations Animation

    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**

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

    Lab: Winter Crystals

    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!

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

    Lab: White Lab

    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.

  • Concentration, Molarity, Stoichiometry, Limiting Reactant, Chemical Change, Calorimetry, Heat, Temperature, Exothermic & Endothermic, Scientific Method, Enthalpy, Experimental Design | High School

    Lab: Less Than Zero

    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.

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

    Lab: Lethal Dose

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

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

    Lab: Kool-Aid

    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.

  • Chemical Change, Intermolecular Forces, Polarity, Polymers, Molecular Structure, Intermolecular Forces, Scientific Method, Monomer | Middle School

    Lesson Plan: Watch the Baby! Superabsorbent Polymer

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

  • Chemical Change, Concentration, Acid Base Reactions, Molarity, Balancing Equations, Stoichiometry, Dimensional Analysis, Measurements, Titrations, Indicators, Error Analysis | High School

    Lab: Vinegar Quality Control

    In this lab, students will perform a titration of a vinegar sample to determine if it is it close to the concentration claimed on the bottle.

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

    Lab: Top Secret

    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.

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

    Lab: Ions in Aqueous Solution Presentation

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

  • Chemical Change, Reaction Rate, Acid Base Reactions, Molarity, Titrations, Indicators, Order of Reaction , Salts, Equivalence Point, Error Analysis | High School

    Lab: Titration Lab with Kinetics

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

  • Separating Mixtures, Separating Mixtures | Elementary School

    Lab: Investigating Black Ink

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

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

    Lab: The Perfect Kool-Aid Concentration

    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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