earning Activity Worksheets 4- Answer the following questions: heated? Why? a. What happened to the material (crayon, chocolate and butter) when b. Is there a change in the appearance of the material? c. How would you describe the changes that happened to the material when heated? d. Which mixture did not look the same throughout? e. Is there a change in the appearance of the material? f. How would you describe the changes that happened to the material When cooled? g. Describe the changes in the properties of the materials when they are heated and cooled? mefoode to decay or become spoiled​