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