# Classroom Resources: Solutions

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26 – 50 of 155 Classroom Resources

• Review, Culminating Project, Mixtures, Separating Mixtures, Beer's Law, Concentration, Conductivity, Redox Reaction, Half Reactions, pH, Titrations, Buffers, Indicators, Ionic Bonding, Covalent Bonding, Alloys, Percent Composition, Le Châtelier's Principle, Enthalpy, Calorimetry | High School

### Access is an AACT member benefit. Lesson Plan: AP Chemistry Experimental Evidence Review

In this lesson, students will evaluate data from 16 simulated lab experiments that were designed to mirror the Recommended Labs from the College Board. Corresponding lab experiments and demonstration options have also been included for teacher reference.

• Equilibrium Constants, Le Châtelier's Principle, Gibb's Free Energy , Enthalpy, Entropy, Solubility | High School

### Access is an AACT member benefit. Lesson Plan: Relationship Between Free Energy and the Equilibrium Constant

In this lesson, students will explore the relationships between solubility and Keq (specifically Ksp), as well as Keq and ΔG°. First, a guided inquiry activity will introduce the relationship between standard free energy and equilibrium constant with the equation ΔG° = -RTlnKeq. Then data collection regarding solubility of potassium nitrate at various temperatures will lead to the calculation of Ksp and ΔGo for the dissolution reaction at those temperatures. Students will manipulate the equations ΔG° = -RTlnKeq and ΔG° = ΔH° - TΔS° to derive a linear relationship between 1/T and lnKeq, which will then be graphed to determine values for ΔH° and ΔS°.

• Solubility, Intermolecular Forces, Molarity | High School

### Access is an AACT member benefit. Activity: Solutions Escape Room

In this activity, students will review concepts covered in a solutions unit. They will complete problems in order to determine codes that will allow them to advance through stages of a Google Form, which is set up as an escape room. This activity is designed to be used at the end of a unit, or as an alternate to an exam, particularly in a virtual environment.

• Concentration, Graphing, Electromagnetic Spectrum | High School

### Access is an AACT member benefit. Lesson Plan: Determining the Time of Death

In this lesson, students will perform a flame test on a sample of vitreous humor (liquid found in the eyeball) in a forensic investigation. They will determine which element from the sample is used to determine the time of death. Then they will engineer a simple spectrophotometer to quantify that element. Evaluating a fake sample of vitreous humor in their spectrophotometer will help them determine the time of death for a hypothetical cadaver.

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

### Access is an AACT member benefit. 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.

• Physical Properties, Covalent Bonding, Electronegativity, Polarity, Molecular Geometry, Intermolecular Forces, Solubility | Middle School, High School

### Access is an AACT member benefit. Activity: The Chemistry of Water Video Questions

In this lesson, students will watch a video and answer questions about how the molecular geometry and polarity of water give rise to many of its unusual physical properties, including its relatively high boiling point and its ability to dissolve some substances but not others.

• Ionic Bonding, Naming Compounds, Molecular Formula, Ions, Ionic Radius, Solubility, Melting Point, Physical Properties | High School

### Access is an AACT member benefit. Activity: My Name is Bond, Ionic Bond

In this lesson, students will demonstrate their knowledge of ionic bond strength using a “brackets” activity. Pairs of students start the activity playing a game of “Ionic Compound War” to build eight compounds. Then then transfer the compounds to a “bracket” and use their knowledge of ionic bonding, along with a solubility chart, to predict the strongest and weakest bond between four pairs of ionic substances.

• Ionic Bonding, Naming Compounds, Molecular Formula, Ions, Ionic Radius, Solubility, Melting Point, Physical Properties | High School

### Access is an AACT member benefit. Activity: Ionic Bonding Brackets

In this lesson, students will demonstrate their knowledge of ionic bond strength and its relationship to the properties of melting point and solubility using a “brackets” activity. After analyzing the ionic charge and radius to predict the strongest and weakest bond between four pairs of ionic substances, they will then determine which will be the least soluble.

• Concentration, Physical Properties, Chemical Properties, pH | Middle School

### Access is an AACT member benefit. Activity: Would You Drink it?

In this activity, students are provided with data regarding the water quality at multiple locations throughout a city. Students will determine which location should be prioritized for cleaning of contaminates. Students will utilize Claim Evidence and Reasoning (CER) to develop a claim that is supported by the data provided.

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

### Access is an AACT member benefit. 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.

• Mixtures, Solute & Solvent, Intermolecular Forces, Intermolecular Forces, Molecular Structure, Polymers, Electromagnetic Spectrum | Middle School, High School

### Access is an AACT member benefit. 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.

• Mixtures | Middle School, High School

### Access is an AACT member benefit. 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.

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

### Access is an AACT member benefit. Lesson Plan: Diffusion and Osmosis

In this lesson, students will build upon their understanding of solutions and concentration. They will observe the diffusion of food coloring dye in water and then perform an experiment focused on how solutions of different concentrations will affect the movement of water across a semi-permeable membrane.

• Molarity, Concentration, Solute & Solvent | High School

### Simulation: Preparing Solutions

In this simulation, students will complete a calculation in order to determine either the molarity of solution, volume of solution, or mass of solute needed. Additionally the associated particle diagram for the solution will be displayed to help students better visualize the solution at the particulate level. Finally, students will gain familiarity with the proper lab techniques for preparing a solution as they are lead through a step-by-step animated process demonstrating this procedure.

• Molarity, Concentration, Solute & Solvent | High School

### Access is an AACT member benefit. Activity: Simulation Activity: Preparing Solutions

In this simulation, students will complete a calculation in order to determine the value of an unknown variable related to a described solution and then they will observe an animation of the solution being prepared. The calculation will require the student to determine either the molarity of solution, volume of solution, or mass of solute needed. Additionally the associated particle diagram for the solution will be displayed to help students better visualize the solution at the particulate level. Finally, students will gain familiarity with the proper lab techniques for preparing a solution as they are lead through a step-by-step animated process demonstrating this procedure. The simulation is designed as a five question quiz for students to use multiple times.

• Balancing Equations, Classification of Reactions, Chemical Change, Identifying an Unknown, Molarity, Concentration | High School

### Access is an AACT member benefit. Lab: An Environmental Impact Study

In this lab, students will test a water sample which comes from a local zoo, where, it is reported that many bird eggs are not hatching. Students will test the water for the presence of multiple ions. Once the type of ion in the water is determined, students will write balanced equations to illustrate their findings. Students will also conduct a serial dilution to determine the concentration, or molarity, of the ion in the water sample. This molarity will be compared to known values to determine if the materials in the water are at an unhealthy level.

• Density, Concentration, Solute & Solvent | High School

### Access is an AACT member benefit. Lab: Test Tube Challenge

In this lab, students will be challenged to create a density column, consisting of three distinct layers of sugar-water solution. This is an inquiry lab, where the students must apply their understanding of density and concentration in order to devise a successful plan for creating the column correctly.

• Solute & Solvent, Mixtures | Elementary School

### Access is an AACT member benefit. 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.

• Concentration, Solute & Solvent, Solubility | High School

### Access is an AACT member benefit. Demonstration: Saturated Solutions: An Engagement Activity

In this demonstration, students will observe salt dissolving in water and participate in a think-pair-share activity using teacher-led questions. It is intended to be an introduction to solutions, particularly saturation.

• Acid & Base Theories, Strong vs Weak, Indicators, Titrations, Buffers, Concentration, Molarity, Net Ionic Equation | High School

### Lesson Plan: Acids and Bases Unit Plan

The AACT high school classroom resource library and multimedia collection has everything you need to put together a unit plan for your classroom: lessons, activities, labs, projects, videos, simulations, and animations. We constructed a unit plan using AACT resources that is designed to teach the topic of acids and bases to your students.

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

### Access is an AACT member benefit. Demonstration: Crystallization of Sugar

In this demonstration, students will observe how to make rock candy in order to understand how sugar crystals form. They will be able to explain what a supersaturated solution is and how it is relevant to sugar crystallization.

• Classification of Reactions, Balancing Equations, Solubility Rules, Activity Series | High School

### Simulation: Predicting Products

In this simulation, students will reference an activity series and a solubility chart to accurately predict the products of single replacement and double replacement chemical reactions. Associated particle diagrams will be displayed to help students better comprehend the reaction at the particulate level. Students will also be asked to balance the chemical equation. The simulation is designed as a five question quiz for students to use multiple times.

• Classification of Reactions, Balancing Equations, Solubility Rules, Activity Series | High School

### Access is an AACT member benefit. Activity: Simulation Activity: Predicting Products

In this simulation, students will reference an activity series and a solubility chart to accurately predict the products of single replacement and double replacement chemical reactions. Associated particle diagrams will be displayed to help students better comprehend the reaction at the particulate level. Students will also be asked to balance the chemical equation. The simulation is designed as a five question quiz for students to use multiple times.

• Solubility, Solute & Solvent, Intermolecular Forces, Covalent Bonding, Polarity, Intermolecular Forces | High School

### Access is an AACT member benefit. Activity: T-Shirt Chromatography

In this activity, students will learn about solubility, saturation, polarity, and intermolecular forces through chromatography techniques.

• Stoichiometry, Balancing Equations, Reaction Rate, Solubility | High School

### Access is an AACT member benefit. Lab: Analyzing the Reaction between Baking Soda and Citric Acid

In this lab, students will examine the reaction between citric acid and baking soda. They will analyze the chemical equation, balance it and calculate needed quantities of each reactant for a complete reaction. Based on their observations, students will determine if all reactants were completely used during the reaction.