1. Which of the following is an example of chemical change when heat is applied? A. Burning of wood B. Cutting clothes C. Freezing of water D. Sharpening a pencil 2. Which is TRUE about chemical change? A. A new product is formed. B. Chemicals change as a result of physical change. C. The product can be changed to its original form. D. A chemical change is more important than any other process. 3. What happens when a piece of paper is burned inside a tin can? A. A new material is formed. B. There are no changes. C. Both physical changes and chemical changes happen. D. It became ashes and after a few minutes, it turns to its original form. 4. What happens to the ice cube, and butter after heat is applied? A. They melt, physical change happens. B. They melt, chemical change happens. C. Nothing happens to the materials. D. All the materials dissolve in the removed air. 5. What process is applied in the melting of ice cream, drying of wet clothes, and cooking of vegetables that result in physical and chemical change? A. Boiling B. Drying C. Freezing D. Heating​