Classroom Resources: Solutions
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76 – 100 of 162 Classroom Resources
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Electron Configuration, Precipitate, Balancing Equations, Electrons, Valence Electrons, Solubility Rules, Classification of Reactions | High School
Lesson Plan: Transition Metals Color the World
In this lesson students will complete a series of double replacement reactions to form precipitates. The precipitates will be used as a pigment to create paint.
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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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Chemical Change, Beer's Law, Redox Reaction, Reduction, Oxidation, Concentration, Reaction Rate | High School
Lesson Plan: Rustbusters! A Lab Activity on Corrosion
In this lesson students learn about factors affecting the rate of corrosion and evaluate the efficiency of different protective coatings to simulate products used in industry when building metal structures like ships or bridges.
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Solubility Rules, Classification of Reactions, Precipitate, Net Ionic Equation | High School
Lesson Plan: Do it Yourself Color!
In this lesson students will use solubility rules to predict whether the product of a double displacement or metathesis reaction will produce a precipitate. Students will then investigate a series of reactions to verify solubility rules. Finally students will determine the identity of unknown solutions based on experimental evidence.
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Beer's Law, Concentration, Physical Properties | High School
Lesson Plan: Introduction to Color
In this lesson students explore the properties related to color and how those properties vary with changes in concentration. This lesson introduces the use of a spectrophotometer to measure wavelength and absorbance in colored solutions as well as the use of Beer’s Law to determine an unknown concentration.
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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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Le Châtelier's Principle, Reversible Reactions, Concentration | High School
Lab: Le Chatelier’s Soda
In this lab, students will observe how the equilibrium of a chemical reaction is affected when a change in pressure, temperature, and concentration is applied to the system.
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Concentration, Solute & Solvent, Chemical Change | Elementary School, Middle School
Demonstration: Soft Eggs
In this demonstration, students will first observe a reaction between vinegar (acetic acid) and an egg shell (calcium carbonate) to produce a naked egg. Using these eggs, student will analyze how certain substances can move through a membrane and also determine if the membrane is affected.
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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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Titrations, Indicators, Molarity, Concentration | High School
Demonstration: How to Perform a Titration
In this demonstration, the teacher will show how a titration is set-up and performed. Also, the teacher will utilize different indicators to show how they work and why they are necessary. At the end of the demonstration, the teacher will also explain how to calculate the molarity of the unknown substance.
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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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Buffers, Solubility, Molecular Structure | 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.
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Physical Properties, Matter, Physical Change, Interdisciplinary, 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.
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Solubility, Solute & Solvent | Middle School, High 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.
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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.
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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.
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Beer's Law, Molarity, Concentration | 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.
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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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Freezing Point, Phase Changes, Freezing Point Depression | Middle School, High 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.
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Molarity, Concentration, 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.