1. Suppose that water instead of mercury is used in a thermometer. If the temperature is at 4°C and then changes, why can’t the thermometer indicate whether the temperature is rising or falling? 2. In...

1. Suppose that water instead of mercury is used in a thermometer. If the temperature is at 4°C and then changes, why can’t the thermometer indicate whether the temperature is rising or falling?

2. In terms of physics, speculate as to why some restaurants serve baked potatoes wrapped in aluminum foil.

3. Wood is a better insulator than glass, yet fiberglass is commonly used as an insulator in wooden buildings. Discuss.