Classroom Resources: Solutions

1 – 25 of 39 Classroom Resources

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  Identifying an Unknown, Chemical Properties, Solute & Solvent, Mixtures | Middle School, High School

  Lab: Local Water Analysis

  In this lab, students use simple pool test strips to collect water samples from local water sources, such as area faucets, pools, lakes, rivers, puddles, etc. They will compile all of the collected data to allow students to collectively make observations and ask testable questions. After determining a question of interest, groups of students will organize the related data, research relevant background information, form reasonable conclusions, and present their arguments.

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  Solubility, Intermolecular Forces, Mixtures, Separating Mixtures | High School

  Lab: Using Paper Chromatography to Separate the Pigments Found in Ink

  In this lab, students will separate the component pigments of a water-soluble black marker using paper chromatography.

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

  Activity: What are Pigments? Video Questions

  In this activity, students will watch a video and answer related questions about the chemistry of pigment molecules and how they are used to give paints their specific color. During the video, 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 Structure, Polymers, Electromagnetic Spectrum | Middle School, High School

  Activity: What is Paint? Video Questions

  In this activity, students will watch a video and answer related questions about the composition of paint. During the video, 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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  Mixtures | Middle School, High School

  Lesson Plan: Making Sense of Milk

  In this lesson, students will compare and contrast the chemical compositions of different types of plant milk and animal milk by analyzing data and developing models.

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  Solute & Solvent, Mixtures | Elementary School

  Demonstration: Introduction to Solutions

  In this demonstration, students will recognize that there is a threshold for the amount of salt that can be dissolved into a specified amount of water. Students will be asked to make observations about two different salt water samples to determine if a sample that contains undissolved salt is still considered a solution. The saltiness, or salinity, of the water samples will be used to help students make connections about how the melting of polar ice caps is changing the average salinity of the ocean.

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

  Lab: How does Salt "Melt" Ice?

  In this lab, students will consider why salt is used to aide in snow clearing and to help keep icy roads safe. They will investigate how salt ‘melts’ ice and determine the best type of salt to do so. Additionally, students will explore the advantages and disadvantages of the various different types of salt.

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  Physical Change, Chemical Change, Matter, Mixtures, Mixtures | Elementary School

  Activity: Chemistry in the Kitchen!

  In this activity, students will describe the steps required to complete a recipe of their choosing. They will identify any physical and chemical changes that occur throughout the process.

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  Density, Mixtures, Solubility | Middle School

  Lab: Investigating Density within Lava Lamps

  In this lab students will make a simple yet spectacular lava lamp while focusing on the density of the components.

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  Physical Properties, Observations, Mixtures, Solute & Solvent, Mixtures | Middle School

  Lesson Plan: How Fast Does it Flow?

  In this lesson students explore the viscosity of different mixtures. They measure viscosity of different mixtures and then have the opportunity to design a mixture to attain a particular viscosity. Students will relate their lab experience to the application of viscosity in the real-world as they consider the differences in viscosity between different types of paints.

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  Separating Mixtures, Physical Properties, Mixtures, Solute & Solvent | Elementary School, Middle School

  Lab: What Does Ironman Eat for Breakfast?

  In this lab students will compare and contrast mixtures and solutions. They will be tasked with extracting iron from various breakfast cereals. They will then conclude which cereal would be the healthiest for Iron Man to eat for breakfast.

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

  Lesson Plan: What Type of Mixture is Paint?

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

  Video: What are Pigments? Video

  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

  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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  Physical Properties, Observations, Mixtures | Elementary School

  Lab: Ferromagnetic Fluid

  In this lab students will investigate the properties of ferromagnetic fluid and magnetism. Students will also have the opportunity to complete research about magnetic properties to help answer analysis questions.

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  Mixtures, Polarity, Observations, Physical Properties | Elementary School

  Demonstration: Colorful Milk

  In this demonstration, students will observe as the teacher creates several colorful mixtures. Using food coloring, water and milk, students will watch the colors swirl and mix. Students will have the opportunity to make a prediction about what will happen to the colors when a sample of soap is introduced to the mixture.

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  Separating Mixtures, Observations, Physical Properties, Chemical Properties, Mixtures | Elementary School, Middle School

  Lesson Plan: Clean-Up Pond Pollution

  In this lesson, students will compare polluted and filtered water to observe how filtering can remove some kinds of pollutants. Students will also be asked to consider how people affect ecosystems and use the scientific method to conduct an experiment on polluted water.

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  Chemical Change, Mixtures, Reaction Rate | Elementary School

  Lab: The Disappearing Color

  In this lab, students will create a solution to observe a chemical change between food coloring in water and bleach. They will also develop the process skills of predicting, observing, and measuring temperature.

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  Freezing Point, Phase Changes, Mixtures | Elementary School

  Lab: Coffee Creamer Ice Cream

  In this lab, students will investigate how dissolving salt (sodium chloride) in water changes the freezing point of the solution. While investigating this, they will make ice cream from small coffee creamer cups.

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

  Lab: Magic Milk

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

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

  Animation: Solubility Animation

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

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  Concentration, Solute & Solvent, Mixtures, Solubility, Percent Composition | 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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  Mixtures, Separating Mixtures, Solubility, Physical Change, Phase Changes | 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.