There is a change in how the objects are used. There is a change in the appearance of the objects. There is a change in the materials from which the objects are made. There is a change in both the appearance of the objects and the materials from which they are made.
Sharpening a pencil and tearing paper are examples of physical changes. Which statement describes why these are physical changes?

Options:
- There is a change in how the objects are used.
- There is a change in the appearance of the objects.
- There is a change in the materials from which the objects are made.
- There is a change in both the appearance of the objects and the materials from which they are made.

There is a change in the appearance of the objects.