Answer:1. Physical Change- The substance changes its form or appearance but remains the same substance chemically. Examples include melting, freezing, dissolving, and chopping.2. Chemical Change- Unlike physical changes, which only affect size, shape, or state of matter, chemical changes result in the formation of new substances with different chemical properties.3. Rusting- Rusting is a type of chemical change that occurs when iron reacts with oxygen and moisture in the air, forming iron oxide.4. Tarnishing 5. Collision