17. Solid materials can be
changed in many ways
such as bending, cutting,
pressing or hammering.
18. Such as actions may
changed the material's
size, shape and texture
but no new material is
formed.
19. Let's try to answer this
activity by choosing the
letter of the BEST
CORRECT answer.
20. 1. What material can be bent?
A. key
B. coin
C. cable wire
D. laptop
21. 2. What changes happened to the plastic
cup after pressing?
A. changed in size only
B. changed in size and shape
C. changed in shape only
D. changed in size, shape and texture
22. 3. What you can do to change the
physical appearance of a rock?
A. by pressing
B. by hammering
C. by bending
D. by coloring
23. 4. What changes happened to a sheet of
galvanized iron after hammering?
A. changed in color
B. changed in physical appearance
C. no changes happened
D. new material formed
24. 5. In what ways can you change the size,
shape, and texture of a banana?
A. by cutting
B. by coloring
C. by folding
D. by freezing
26. 1. What material can be bent?
A. key
B. coin
C. cable wire
D. laptop
27. 2. What changes happened to the plastic
cup after pressing?
A. changed in size only
B. changed in size and shape
C. changed in shape only
D. changed in size, shape and texture
28. 3. What you can do to change the
physical appearance of a rock?
A. by pressing
B. by hammering
C. by bending
D. by coloring
29. 4. What changes happened to a sheet of
galvanized iron after hammering?
A. changed in color
B. changed in physical appearance
C. no changes happened
D. new material formed
30. 5. In what ways can you change the size,
shape, and texture of a banana?
A. by cutting
B. by coloring
C. by folding
D. by freezing
31. Give one example of solid
material that you can find at
home for each ways by which you
can change the physical
appearance of the material.
32. A. Bent - ______________
B. Cut - ______________
C. Press - ______________
D. Hammer - __________