5. Was new materials formed when the solid materials were hammered?
Why?
A. Yes, because only physical appearance of the material changed but
Its composition remained the same.
B. No, because only physical appearance of the material changed but
its composition remained the same.
C. No, its chemical composition only changed,
D. Yes, its chemical composition only changed.
6. What happened to the solid materials when they were cut?
A. Its size and shape changed.
B. Its chemical composition only changed.
C. Its chemical and physical changed occur.
C. Nothing change after cutting.
7. Was a new material formed when the solid materials were cut? Why?
A. No, because only physical appearance of the material changed but
itscomposition remained the same.
B. Yes, because only physical appearance of the material changed but
its composition remained the same.
C. No, nothing changed.
D. Yes, nothing changed.
8. Which can be changed into another useful material by hammering?
A. tin can
B. glass jar
C. plastic bottle
D. paper towel
9. Which of the following material dissolves easily in water?
A. coffee B. nail polish C. paint
D. pepper
10. Which material dissolves in gasoline?
A. Coffee
B. pepper
C. styropor grains
D. pieces of papers
11. Which of the following does not dissolve in water?
A. Powdered juice B. salt C. soil D. metal
12. Which of the following dissolves in acetone only?
A. stain B. nail polish
C. sugar and salt
D. soil
13. What will happen to the components of vinegar and oil when mixed
together?
A. Their components will float
B. Their components will sink
C. Their components will stay the same.
D. The components of oil will settle in the upper part.