Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Do you want to float on water? Take a trip to the Dead Sea or the Great Salt Lake. Because both bodies of water contain huge amounts of salt, swimmers can easily float! Compare the densities of ...

A longstanding mystery about how salt dissolves in water has finally been solved, thanks to machine learning. Understanding the complete process of how sodium chloride, or salt, dissolves in water is ...

Since as early as the 1930s, a variation on simple table salt has been used to keep wintry roads from getting dangerously slippery. The mechanism is simple: When liquid water freezes into ice, the ...

In a world first, researchers have recorded exactly how solvents interact with dissolved materials, one atom at a time. After a solute, such as salt, dissolves in a solvent, such as water, the two ...