Interactive
Concord Consortium

Concord Consortium: Polar and Nonpolar Interface

For Students 9th - 10th
Observe how molecules with hydrophilic and hydrophobic regions move in a mixture of oil and water, and pay attention to changes in potential energy over time. Move and rotate the molecules to see how they interact with their surrounding...
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Mn Step: Spotting Chromatography

For Teachers 9th - 10th
A lab activity that introduces chromatography using markers, plus water and acetone as the solvents. Students will take measurements to compare the mobile and stationary phases of the inks, and find the polarity of the inks and solvents....
Interactive
Concord Consortium

Concord Consortium: Protein Folding

For Students 9th - 10th
Generate all polar, all nonpolar, or random proteins and observe how the protein folds in response to these molecular properties. Explore how the potential energy of the system changes over time to draw conclusions about how proteins...
Lesson Plan
American Chemical Society

Middle School Chemistry: Lesson Plans: Temperature Changes in Dissolving

For Teachers 9th - 10th
Media-rich instructional activity in which students discover that it takes energy to break bonds, and that energy is released when bonds are formed during the process of dissolving. They also determine whether dissolving is either...
Interactive
Concord Consortium

Concord Consortium: Micelles

For Students 9th - 10th
Select an oil or water environment for molecules and observe how they are affected by interactions with their environment and each other.