Critical thinking and problem solving
1. Why does hard water leave more deposits in hot water pipes than in cold water pipes over a period of time?
2. Explain why temperature remains constant when ice melts or water boils.
3. Explain why ice is more effective than water keeping food cool in ice chest at 0 C.
4. How does the boiling point of water in Denver compare with boiling point of water in New York City?
5. Why is it important for someone with a high fever to consume large quantities of fluid?
6. Which can be made to taste sweeter, iced tea or hot tea? Why