Final answer:
The scientific question you can ask when changing the amount of salt in water is: How does changing the amount of salt affect the boiling point of water?
Step-by-step explanation:
The scientific question you can ask when changing the amount of salt in water is:
How does changing the amount of salt affect the boiling point of water?
You can measure the boiling point of water with and without varying amounts of salt dissolved in it. By comparing the boiling point of plain water to that of saltwater, you can observe how the addition of salt affects the boiling point.