Using the materials listed, make a step by step procedure for an experiment in latent heat. Consider the ff materials: I. The Ruler II. Glass Rod/Stirrer III. 1 tube ice pack IV. 2 cups made of styrofoam V. A string, a stick, and a pair of scissors VI. 250 ml warm water VII. Beaker 1 liter VIII. Unknown Material Block IX. Thermometer X. Iron Block (a) What materials can be considered optional for experiments? Give a reason for your