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1. Which property refers to a material's ability to let light pass through it without obstruction?
A. Hardness
B. Transparency
C. Solubility
D. Mass
2. Mass is a measure of:
A. How heavy an object is
B. The space an object occupies
C. The amount of matter in an object
D. How transparent an object is
3. Volume is the measure of:
A. How shiny a material is
B. The space an object occupies
C. The hardness of an object
D. The mass of an object
4. Which of these is an example of a soft material?
A. Iron
B. Stone
C. Rubber
D. Copper
5. Why can’t a tumbler made of cloth be used for storing water?
A. It is opaque
B. It is too soft
C. It is not waterproof
D. It is transparent
6. What type of material is used to make a metal key?
A. Soft
B. Hard
C. Transparent
D. Translucent
7. Which of the following is an example of matter?
A. Light
B. Air
C. Sound
D. Shadows
8. What property is used to classify a metal as lustrous?
A. Its weight
B. Its shiny appearance
C. Its solubility in water
D. Its hardness
9. Which material is lighter in mass?
A. Iron
B. Water
C. Paper
D. Stone
10. Which material would you classify as insoluble in water?
A. Salt
B. Vinegar
C. Sugar
D. Chalk powder
11. What type of material is butter paper?
A. Opaque
B. Transparent
C. Translucent
D. Lustrous
12. Which of the following materials is non-lustrous?
A. Gold
B. Rubber
C. Aluminum
D. Copper
13. Which material would be used to make cutlery because of its hardness?
A. Wood
B. Plastic
C. Metal
D. Paper
14. Which property helps classify materials as soluble or insoluble?
A. Their appearance
B. Their ability to dissolve in water
C. Their hardness
D. Their transparency
15. What is the SI unit of volume?
A. Kilogram
B. Litre
C. Meter
D. Gram
16. What type of materials do not let light pass through at all?
A. Transparent
B. Opaque
C. Translucent
D. Soft
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