News

Students will make a 2-D model of a salt crystal and use water molecule cutouts to show how water dissolves salt. After seeing an animation of water dissolving salt, students will compare how well ...
3. Have students dissolve the salt. Question to investigate: What happens when salt is dissolved in water and then the water evaporates? Explain to students that they will dissolve salt and then ...
Understanding the complete process of how sodium chloride, or salt, dissolves in water is important for a range of scientific disciplines, from accurate climate models to making batteries.
It's an age-old question. In the debate over when to salt a pot of water, who's right? Place your bets, and brace yourself for what you may not want to hear.
In Des Moines, the problem’s gotten so bad that lawn watering has been prohibited. But cities like Cedar Rapids and Iowa city ...
Anything dissolved in water can have the same effect of lowering the freezing temperature, but salt is used, Ferguson says, because when one unit of salt dissolves, it yields two to three ...
People can dissolve salt tablets in water to make an isotonic solution. Dissolve one tablet in 4 ounces of water and take as directed by a doctor or healthcare professional.