What are examples of physical changes?

Question

Select all that apply.

Responses

burning a piece of wood until it becomes ashes
burning a piece of wood until it becomes ashes

heating a block of ice until it melts
heating a block of ice until it melts

crumpling a piece of paper into a ball
crumpling a piece of paper into a ball

letting a banana peel rot over time

Answer 1

Examples of physical changes from the provided options include:

• heating a block of ice until it melts: This is a physical change as the ice changes from solid to liquid but remains water.
• crumpling a piece of paper into a ball: This is a physical change as the paper changes shape but remains paper.

The other options, burning a piece of wood until it becomes ashes and letting a banana peel rot over time, are examples of chemical changes, as they involve changes in the chemical composition of the materials.