TryEngineering
Nano Waterproofing
Does your shirt hate water? In the activity, future engineers observe the hydrophobic effect in fabrics. They brainstorm and test some ideas for waterproofing fabrics.
Curated OER
Observation Milk Fat Lesson
Turn your class loose to experiment with the different fat content in skim milk, whole milk, half and half, and heavy cream. This is a visually vibrant experiment, as learners drip food coloring on the surface of the products and measure...
Pennsylvania State University
Pennsylvania State University: Bad Science
This site from the Pennsylvania State University is maintained to provide teachers and students with examples of the bad science often taught in schools, universities, and offered in popular articles and textbooks.
Other
What Is Life: Aqueous Solutions
Discussion of water as a solvent. Includes material on hydrogen bonds, hydration, hydrophobic effect, acids, basses, and pH.