Students will be able to explain, on the molecular level, why water can dissolve salt. Students will be able to identify the variables in their experiment. Students will also be able to explain why a ...

After viewing a model of salt, students help develop models for the processes of salt dissolving, water evaporating to form a gas, and salt re-forming as a crystal. The focus is that matter, whether ...

Warm water may also help the salt dissolve into the water more easily which is important if you’re using coarse sea or kosher salt. You can use any type of salt for salt water gargles.