An overgrown lawn is manicured by mowing it with a lawn mower is an example of

An overgrown lawn is manicured by mowing it with a lawn mower is an example of physical change. Physical change is a change that affects the physical form of the substance or environment but not its chemical composition. In this example, the lawn is manicured by mowing it, so the physical form would be changed. But, the chemical composition of the lawn was maintained and was not change. So, this is clearly a physical change.