The Chemistry of Water Reveal Coloring Books
Tom Kuntzleman | Tue, 07/16/2024 - 07:01
How do Melissa & Doug’s “Water WOW!” Water Reveal coloring books work? Let's do some experiments to find out!
intermolecular forces
I Lava Particulate Models
Melissa Hemling | Tue, 05/21/2024 - 14:59
Use the classic Lava Lamp Lab to make the concept of intermolecular forces more accessible!
Exploring Color Separation in Salting-Out Experiments
Tom Kuntzleman | Sat, 05/04/2024 - 07:44
Adding dyes to salting out experiments can create a variety of interesting color effects as the dyes differentially dissolve in the aqueous and organic layers. Can this differential solubility of dyes be explained using intermolecular forces as a guide?
Intermolecular Forces Lab Practical
Hannah Nandor | Thu, 01/25/2024 - 10:08
This lab assessment is a wet lab that has students use lab skills to demonstrate their knowledge of polarity, Lewis structures, solubility, and intermolecular forces by justifying the polarity of given compounds.
Refresh and Reinforce: Water Maze Challenge Brain Break Activity
Melissa Hemling | Mon, 09/18/2023 - 08:42
Brain Breaks are powerful tools in education, supported by research showing improved focus, retention, community building, and reduced stress among students. When structured using chemistry principles, like in the Water Maze Race, brain breaks can also introduce or reinforce fundamental chemistry concepts.
The Salting-Out Effect: A Colorful Demonstration That Leads to Student - Teacher Activities
Jim Webb | Wed, 04/26/2023 - 20:53
Have you seen the "salting-out effect"? This interesting demonstration shows a separation of two layers in a solution of water and an organic solvent by adding an ionic salt. Although this concept has important applications in organic chemistry and biochemistry, it can also be visually stunning and engaging for audiences. Read on to learn how to incorporate this demonstration into your chemistry lessons.
Simple, Quick, and Accurate Determination of the Heat of Vaporization of Water
Michael Jansen | Mon, 04/10/2023 - 11:31
This activity allows for the simple and accurate determination of the heat of vaporization, ΔHvap, of water at 100°C, and ultimately the approximate strength of a hydrogen bond in boiling water, in kJ·mol–1.
PFAS Guided Inquiry Activity
Melissa Hemling | Fri, 03/24/2023 - 20:32
This PFAS Analysis guided inquiry activity introduces students to "Forever Chemical" pollutants in the environment as they apply their previous knowledge related to electronegativity, polarizability and bond strength to PFAS molecules.
Bonding Interactive Notebook
Nora Walsh | Mon, 10/24/2022 - 13:29
Nora Walsh outlines the interactive notebook pages she uses for her unit on Bonding. All of the documents and foldables are available for download.
Identifying Unknowns: Intermolecular Forces and Properties
Ben Meacham | Sun, 06/19/2022 - 14:21
In this lab, students are presented with nine unknown substances. By performing a series of tests, analyzing chemical structures, and applying their understanding of how intermolecular forces affect the properties of a substance, students will ultimately determine the identity of each unknown.