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 ...

In Des Moines, the problem’s gotten so bad that lawn watering has been prohibited. But cities like Cedar Rapids and Iowa city ...

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.

If what you eat aligns with the standard American diet, which already contains too much sodium (3,393 mg), and you drink a ...

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.