1 This activity is a teacher demonstration. Safety: Do not touch the hot plate or pan:..... it can burn you. You teacher will do the following: 2 3 Measure and compare melting points You will need: three different solids, three pans, a hotplate, a thermometer, a stopwatch or digital watch Place a solid in a pan. Heat the solid substance until it melts. Remove the pan from the hot plate as soon as the substance melts. Measure the temperature of the melted substance. You should record the reading in a table. 4 Repeat steps 1-3 with the two other solids. Questions 1 Which substance had: the highest melting point? b the lowest melting point? 1،