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 ...

Students will be able to plan and carry out an investigation to compare the solubility of different substances, and develop and explain a particle-level model to describe the process of dissolving.

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 ...

Between hurricanes, record rains and king tides; Americans have been driving through a lot of flooding and puddles. All that water takes toll on your car. You may not realize it, but even rainwater is ...