Classroom Resources: Solutions

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101 – 125 of 139 Classroom Resources

  • Separating Mixtures, Mixtures, Solubility, Phase Changes, Physical Change | Middle School

    Lab: A Solution to Your Mix-up

    In this lab, students will perform a step by step process of mixing and separating substances based on their states and solubility in order to solve a problem.

  • Solute & Solvent, Concentration, Molarity, Stoichiometry, Mole Concept, Dimensional Analysis, Tyndall Effect | High School

    Activity: Solubility & Solutions

    In this inquiry activity, students investigate types of solutions, identifying the solute and solvent, and classifying each solution. They them solve stoichiometry problems involving solutions of different concentrations.

  • Observations, Physical Properties, Mixtures, Solubility, Identifying an Unknown, Intermolecular Forces, Polarity, Intermolecular Forces, Chemical Properties, Mixtures, Intramolecular Forces | High School

    Lab: Solubility & Compound Type

    In this lesson, students determine whether unknown substances are polar, nonpolar, or ionic by testing their solubilities.

  • Density, Physical Properties, Mixtures, Solubility, Freezing Point, Phase Changes, Polarity, Intermolecular Forces, Colligative Properties, Intermolecular Forces, Freezing Point Depression, Mixtures | High School

    Lesson Plan: Fuel Line Antifreeze

    In this lesson students will explore the role of a gasoline additive, fuel line antifreeze (generally methanol or 2‑propanol), in reducing the potential of water to block fuel lines in freezing weather. Students will prepare test tube models of water-contaminated fuel tanks and explore the effect of adding different types of fuel line antifreeze. This lesson can be used to bolster concepts about miscibility, density, intermolecular forces, phase changes (freezing), and colligative properties (freezing point depression).

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

    Lab: Seeing the Effects of Acid Rain

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

  • Net Ionic Equation, Reduction, Redox Reaction, Galvanic Cells, Oxidation, Half Reactions, Cathode, Anode, Electron Transfer, Electrons, Error Analysis | High School

    Lab: Four-Way Galvanic Cell

    In this lab, students will build a simple galvanic cell to measure cell potential and will compare their data to theoretical calculations. Students will become more familiar with cells during this opportunity to investigate and compare numerous electrochemistry reactions.

  • Physical Change, Physical Change, Intermolecular Forces, Polarity, Intermolecular Forces, Matter | Middle School

    Lesson Plan: Sandy Beaches—A Foray into ‘Magic’ Sand

    In this lesson, students will investigate the properties of magic sand and learn about the concept of hydrophobic and hydrophilic molecules. It also introduced students to the field of nanotechnology.

  • Physical Properties, Solubility, Freezing Point, Phase Changes, Physical Change, Solute & Solvent, Freezing Point Depression, Freezing Point | Elementary School

    Lesson Plan: Salting Roads in Winter

    In this lesson, students investigate how the freezing point of water changes when salt is added.

  • Concentration, Molarity, Percent Yield, Stoichiometry, Classification of Reactions, Limiting Reactant, Chemical Change, Mole Concept, Dimensional Analysis | High School

    Demonstration: First Day Review

    In this demonstration, students see evidence of a chemical reaction.

  • Observations, Physical Properties, Mixtures, Intermolecular Forces, Polarity, Intermolecular Forces, Mixtures | Elementary School, Middle School, High School

    Lab: Salad Dressing Science: Emulsions

    In this lab, students mix polar and nonpolar substances and then add various emulsifiers to encourage the mixing of the two substances. They use ingredients in salad dressing to relate science to real life scenarios.

  • Concentration, Precipitate, Net Ionic Equation, Balancing Equations, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis | High School

    Lab: Finding CO<sub>2</sub> Mass in your Breath

    In this lab, students will measure how much carbon dioxide they exhale by reacting their exhaled breath with lime water (calcium hydroxide).

  • Solute & Solvent, Intermolecular Forces, Scientific Method | High School

    Lab: Exploring Intermolecular Forces

    In this lab, students will investigate the idea that “like dissolves like” by discovering which liquids are best suited for dissolving various substances. This can serve as a great inquiry lab prior to teaching intermolecular forces.

  • Mixtures, Solubility, Reaction Rate, Saturated/Unsaturated/Supersaturated | High School

    Lab: Rate of Solution

    In this lab, students observe how particle size, solvent temperature, and agitation affect rate of solution.

  • Mixtures, Acid, Interdisciplinary, Acid Rain, Chemical Properties | Elementary School, Middle School

    Lesson Plan: Environmental Problems

    In this lesson, students are presented with an environmental problem to solve using important concepts of chemistry, which involves a lake with deteriorating water quality.

  • Chemistry Basics, Precipitate, Chemical Change, Reactions & Stoichiometry, Balancing Equations, Chemical Change, Solubility Rules | Middle School, High School

    Lab: Predicting Precipitates

    In this lab, students use solubility rules to predict which chemical reactions will produce precipitates.

  • Physical Properties, Mixtures, Solubility, Melting Point, Freezing Point, Solute & Solvent, Intermolecular Forces, Polarity, Molecular Structure, Intermolecular Forces, Boiling Point, Lewis Structures, Mixtures, Intramolecular Forces, Graphing | High School

    Lab: Physical Properties (High School)

    In this lesson, students investigate how intermolecular forces effect physical properties by investigating substances’ melting points as well as solubility.

  • Solubility, Reaction Rate, Physical Change, Phase Changes, Solute & Solvent, Molecular Motion | Elementary School

    Lesson Plan: Particles in Motion

    In this lesson, students learn that particles that make up matter are in constant motion.

  • Observations, Physical Change, Solute & Solvent, Intermolecular Forces, Exothermic & Endothermic, Heat, Temperature, Saturated/Unsaturated/Supersaturated | Middle School, High School

    Lesson Plan: Particle Modeling of Hand Warmers

    In this lesson, students will create a particulate model of matter that explains energy changes and transfer during a physical process, such as the crystallization of a solid from a supersaturated solution.

  • Observations, Density, Physical Properties, Mixtures, Mixtures | Elementary School

    Activity: Color-Works in a Jar

    Students will be using three ingredients to create a liquid color-works mixture in a jar. This is a fun chemistry project to do with young elementary students around the 4th of July or New Year’s Eve to get the children excited about fireworks.

  • Separating Mixtures, Density, Mixtures, Physical Change, Chemical Change, Intermolecular Forces, Intermolecular Forces | Middle School

    Lab: Clean it Up!

    In this lab, students will consider and utilize various separation techniques to purify and reclaim used motor oil.

  • Gas Laws, Pressure, Chemical Change, Indicators, Acid & Base Theories, Solubility Rules | Middle School

    Lesson Plan: Chemistry of Pop Rocks

    In this lesson, students will determine the pH of several liquids with litmus paper or a pH probe. Next, students will explore how pH affects the production of gas with Pop Rocks. Students will also investigate how Charles’ Law affects Pop Rocks. Finally, students will design their own experiment with Pop Rocks.

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

    Lab: Chemistree

    In this lab, students will prepare a solution to observe a physical change.

  • Physical Properties, Concentration, Colligative Properties, Boiling Point, Accuracy, Graphing, Error Analysis, Boiling Point Elevation, Molality | High School

    Lab: Changing Water's Boiling Point

    Download this lab in which students will explore colligative properties in a quantitative approach.

  • Separating Mixtures, Mixtures, Interdisciplinary, Electromagnetic Spectrum, Separating Mixtures, Mixtures | Middle School

    Lab: Candy and Leaf Chromatography

    In this lab, students will learn that mixtures are created by the combination of two or more substances. Many colors are actually mixtures of several different pigments. Mixtures can be separated, and in this lab students will perform chromatography to separate mixtures found in candy and in leaves.

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

    Lab: Calculating Acid in Lemon-Lime Soda

    In this lab, students will investigate the molarity of citric acid in a clear, lemon-lime flavored soft drink through titrations with 0.10M NaOH and an indicator.

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