Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
A mercury thermometer works when the temperature outside of the thermometer raises causing the mercury to heat up. When this happens mercury which is a liquid, expands and when it does it goes up the tube which is marked with different degrees. The level of mercury is what actually gives you the temperature.
