But what if you need to measure something really hot, hot enough ... ball from a chain into a Bunsen burner flame and dunked it into 150 ml of room-temperature water. After a nice long toasting ...

8. Set up a Bunsen burner, tripod and gauze on a heat resistant mat. 9. Put a beaker of water on the gauze and the evaporating basin on the beaker. 10. Heat the water, adjusting the Bunsen burner ...