Classroom Resources: Molecules & Bonding

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1 – 25 of 34 Classroom Resources

Intermolecular Forces, Polarity, Covalent Bonding, Ionic Bonding, Lewis Structures | High School

Demonstration: Interactions Between Particles

In groups of six to eight, students will observe the behavior of substances and mixtures to determine the relative strength of intermolecular forces between the particles in each substance or mixture. They will then arrange different cards representing ions and molecules based on intermolecular forces to determine the best molecular level representation of the physical samples they observed.
Physical Properties, Intermolecular Forces, Polarity, Covalent Bonding, Molecular Geometry, Lewis Structures | High School

Activity: Simulation Activity: Intermolecular Forces

In this simulation, students will review the three major types of intermolecular forces – London dispersion forces, dipole-dipole interactions, and hydrogen bonding – through short video clips and accompanying text. They will then answer quiz questions using the relative strengths of these forces to compare different substances given their name, formula, and Lewis structure, and put them in order based on the strength of their intermolecular forces, their boiling point, or their vapor pressure. The simulation is designed as a five question quiz for students to use multiple times.
Physical Properties, Solubility, Polarity, Covalent Bonding, Intermolecular Forces, Molecular Geometry, Electronegativity | Middle School, High School

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.
Polarity, Ionic Bonding, Electronegativity, Bond Energy, Intramolecular Forces, Lewis Structures | High School

Lesson Plan: Bond Strength of Ionic Salts

In this lesson, students will discover that dissolving salts changes the temperature of a solution even though it is a physical change. Students will first collect data during an investigation to compare the temperature change when dissolving three different salts (NaCl, KCl, and CaCl2). Then students will use magnets to construct an explanation of the temperature change based on collision of particles and properties of the metals.
Physical Change, Intermolecular Forces, Polarity, Physical Change, Molecular Motion, Molecular Motion, Intermolecular Forces

Simulation: Comparing Attractive Forces

In the November 2014 issue, students explore the different attractive foreces between pairs of molecules by dragging the "star" image. In the accompanying activity, students investigate different types of intermolecular forces (London dispersion and dipole-dipole). In the analysis that follows the investigation, they relate IMFs (including hydrogen bonding) to physical properties (boiling point and solubility).
Observations, Chemical Change, Polarity, Physical Change, Molecular Structure, Chemical Change, Lewis Structures | High School

Lab: DIY Triiodide

In this lab, students will investigate how iodine interacts with various substances. They will use color changes to justify whether a chemical or physical change is taking place. This activity is referenced in the October 2019 ChemMatters article called “Cash, Chemistry, and Counterfeiting.”
Polarity, Covalent Bonding, VSEPR Theory, Electronegativity, Lewis Structures | High School

Activity: Properties of Common Molecular Substances

In this activity, students will apply their knowledge of molecular polarity, shape, and intermolecular forces to explain the differences in properties between different covalent substances.
Intermolecular Forces, Polarity, Covalent Bonding, Ionic Bonding, Molecular Structure, Metallic Bonding, Intramolecular Forces | High School

Project: Problem-Solving with Materials

In this project, students will develop a presentation to explain how and why a specific material can solve a problem. The explanation will involve researching the properties of the material and how its properties are suited for solving a specific problem.
Polarity, Covalent Bonding, VSEPR Theory, Electronegativity, Lewis Structures | High School

Activity: Modeling Molecular Polarity

In this activity, students will use electronegativity values and their knowledge of covalent bonding to model the bonds in a molecule. Using this information they will learn how to determine the overall polarity of a molecule.
Polarity, Covalent Bonding, Electronegativity | High School

Activity: Modeling Bond Polarity

In this activity, students will model the pull of electrons in a bond between two elements, demonstrating covalent bonding. In particular differentiating between polar and nonpolar bonds.
Intermolecular Forces, Polarity, Covalent Bonding, Lewis Structures | High School

Lab: Exploring Intermolecular Forces and Properties of Liquids

In this lab, students will compare and assess the effects of polarity and intermolecular forces of different liquid samples.
Solubility, Intermolecular Forces, Polarity, Covalent Bonding, Solute & Solvent, Intermolecular Forces | High School

Activity: T-Shirt Chromatography

In this activity, students will learn about solubility, saturation, polarity, and intermolecular forces through chromatography techniques.
Melting Point, Intermolecular Forces, Polarity, Boiling Point, Molecular Geometry | High School

Activity: Examining the Strength of Intermolecular Forces of Attraction

In this activity, students will be able to understand the strength of the attractions of the three intermolecular forces (IMFs) and use this information to help identify physical properties of molecules (such as melting point, boiling point or states of matter).
Intermolecular Forces, Polarity, Naming Compounds, Molecular Formula, Covalent Bonding, Ionic Bonding, Molecular Structure, VSEPR Theory, Molecular Geometry, Resonance, Electronegativity, Metallic Bonding | High School

Lesson Plan: Chemical Bonding Unit Plan

The AACT high school classroom resource library 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 Chemical Bonding to your students.
Physical Properties, Intermolecular Forces, Polarity, Physical Change, Molecular Structure, Molecular Structure , Chemical Properties, Molecular Geometry | High School

Lesson Plan: An Exploration of Intermolecular Forces

In this lesson students will explore intermolecular forces, and their associated effect on physical and chemical properties. Students will experiment with volatile liquids to investigate their predictions about intermolecular strength.
Polarity, Covalent Bonding, VSEPR Theory, Valence Electrons, Atomic Radius, Electronegativity, Lewis Structures | High School

Project: Molecular Modeling

In this project, students will research a molecule selected from the teacher approved list, construct a three-dimensional model of the molecule, and present their research to the class in a 7-10 minute oral presentation.
Intermolecular Forces, Polarity, Molecular Geometry | High School

Lesson Plan: The Great Race: A Study of van der Waals Forces

In this lesson students will investigate intermolecular attractive forces, van der Waals forces. They will construct models of specified molecules and use the models to identify the van der Waals forces that exist between molecules of each substance (London dispersion forces, dipole-dipole forces and hydrogen bonds). Then, using manometers, teams will perform a series of races to determine which substance has the stronger van der Waals forces.
Polarity, Periodic Table, Molecular Structure, VSEPR Theory, Electronegativity | High School

Activity: Making Connections between Electronegativity, Molecular Shape, and Polarity

In this activity, students will find the electronegativity values of a variety of elements, draw the Lewis structures of select molecules that are made with those elements, and identify the molecular shape of each molecule. Students will then be asked to determine if the molecules are polar or nonpolar based on the electronegativity values of the atoms and the molecular shape. Students will use Ptable.com to find information about atoms and molecules and connect what they find to observable properties.
Observations, Physical Properties, Mixtures, Polarity | 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.
Physical Properties, Polarity, Molecular Structure | High School

Activity: What Makes Water So Special?

In this activity, students will become familiar with the special properties of water by completing several activities that investigate the following physical properties: cohesion, adhesion, surface tension, and capillary action.
Mixtures, Solubility, Intermolecular Forces, Polarity, Solute & Solvent, Intermolecular Forces, Molecular Geometry | Elementary School, Middle School, High School

Animation: Solubility Animation

In an animation, students will have an opportunity to visualize on the particulate level how solubility works. Examples of ionic compounds and a polar covalent compound show how when water is attracted to charged parts, they dissolve, and when they're not attracted to charged parts they stay solid. **This video has no audio**
Polarity, Molecular Formula, Covalent Bonding, Ionic Bonding | Elementary School, Middle School, High School

Animation: Bonding Animation

"In this animation, students will visualize how different chemical bonds form. Examples of ionic, covalent, and polar covalent bonds are animated, and then students are given a sample of compounds to predict the bonding types. **This video has no audio**"
Intermolecular Forces, Polarity, Physical Change, Intermolecular Forces | High School

Activity: Intermolecular Forces Activity

In this activity, students will represent molecules and energy to investigate the different types of intermolecular forces.
Intermolecular Forces, Polarity, Molar Mass, Intermolecular Forces, Boiling Point, Heat of Vaporization | High School

Lab: Heat of Vaporization

In this lab, students test whether a substance’s heat of vaporization is determined by its molar mass, the strength of its intermolecular forces, or both.
Observations, Physical Properties, Mixtures, Solubility, Intermolecular Forces, Polarity, Identifying an Unknown, Intermolecular Forces, Chemical Properties, Intramolecular Forces, Mixtures | High School

Lab: Solubility & Compound Type

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