Q1. A friend said the temperature inside a particular oven is 500 and the temperature inside a particular star is 50,000. You're unsure whether your friend meant Celsius degrees or kelvins. How much difference does it make in each case?
Q2. When you blow up a balloon, do you slightly warm the balloon? When air is allowed to rush out of it, how, if at all, does the temperature of that expanding air change?