Classroom Resources: Solutions


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76 – 100 of 100 Classroom Resources

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

    Lesson Plan: Salting Roads in Winter

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

  • Polarity, Mixtures, Intermolecular Forces, Intermolecular Forces, Mixture, Physical Properties, Observations | High School, Elementary School, Middle 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, Net Ionic Equation, Limiting Reactant | High School

    Lab: Finding CO2 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 | 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.

  • Solubility | 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, pH, Acid Rain, Chemical Properties | Elementary 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.

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

    Lab: Predicting Precipitates

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

  • Solubility, Intermolecular Forces, Intermolecular Forces | 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, Physical Change, Phase Changes, Reaction Rate, 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, Density, Physical Properties, Mixtures, Mixture | 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, Chemical Change, Intermolecular Forces, Physical Change, 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.

  • Chemical Change, Gas Laws, Pressure, pH, Acid & Base Theories, Indicators, 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 | High School, Middle School

    Lab: Chemistree

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

  • Molarity, Colligative Properties, Boiling Point | High School

    Lab: Changing Water's Boiling Point

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

  • Separating Mixtures, Interdisciplinary, Electromagnetic Spectrum, Mixture, Separating 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, Titrations | 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.

  • Solubility | Middle School, High School

    Lab: Benzoic Acid Blizzard in a Bottle

    In this lab, students create a snow globe by taking advantage of benzoic acid’s solubility properties in hot water.

  • Physical Properties, Mixtures, Molecular Structure, Mixture | High School, Middle School, Elementary School

    Demonstration: Analyzing Mixtures

    In this demonstration, the teacher will create a sequence of mixtures in a single test tube. Water, oil, food coloring and soap will be used in this demonstration to introduce the concepts of heterogeneous and homogeneous solutions as well as the idea of miscibility. Students will also have the opportunity to analyze the properties, such as surface tension of each component used.

  • Observations, Density, Mixtures, Chemical Change, Chemical Change, Physical Change, Acid Base Reactions, Mixture | Elementary School

    Lab: Analyzing a Lava Lamp

    In this lab, students create a mixture of oil, water and food coloring, and then add an Alka-Seltzer tablet, to create a homemade lava lamp. Student will record their observations during each step of the process and answer follow-up questions about the chemical and physical changes that took place.

  • Identifying an Unknown, Net Ionic Equation, Percent Composition, Atomic Mass | High School

    Lab: Analysis of Carbonate Compounds

    In this lab, students identify three unknown substances by measuring the amount of product (CO2) produced by a reaction with hydrochloric acid.

  • Solubility, Acid Base Reactions, Intermolecular Forces, Titrations, Indicators | High School

    Lab: Alka-Seltzer & Gas Solubility

    In this lab, students will use a reaction to investigate temperature and the solubility of carbon dioxide and will use a neutralization reaction and an indicator to verify the amount of carbon dioxide produced at each temperature.

  • Observations, Chemical Change, Physical Change, Inferences, Physical Change, Identifying an Unknown, Solute & Solvent | Elementary School

    Lesson Plan: Alien Invasion?

    In this lesson, students will explore both physical and chemical changes as they try to help the Department of Homeland Security analyze and identify materials found in a mysterious capsule. Students will examine and observe an unknown object (a frozen water balloon) as it changes (melts). They then mix combinations of everyday substances to observe chemical changes.

  • Separating Mixtures, Mixtures, Physical Change, Physical Change, Phase Changes, Introduction, Interdisciplinary, Distillation, Solute & Solvent, Mixture, Mixture | Elementary School

    Lesson Plan: Now I Can Drink the Water!

    In this lesson, students review important concepts of the water cycle and then design, test, and evaluate a working model of a desalination plant (a distiller).

  • Molarity | High School

    Lab: Molarity of a Solution

    In this lab, students calculate concentrations of and perform dilutions of Kool-Aid and juice solutions.

  • Naming Compounds, Molecular Formula, Precipitate, Ionic Bonding, Ions | Middle School

    Activity: Bond with a Classmate

    In this activity, students are assigned an ion and form bonds with their classmates, recording the formula and name of the compound they created.

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