Guide Questions: 1. Describe the changes that happened to the margarine and the butter after heating? 2. What cause them to change from solid to liquid? 3. How would you describe the changes that happened to the materials when heated? 4. What happens to the material when cooled? Why? 5. What type of change happened in the material when cooled? 6. Describe the changes in the properties of the materials when they are heated and cooled.​