WorksheetsMatter
Total questions: 20
Worksheet time: 10mins
1. Matter is best defined as:
A. Anything that has energy
B. Anything that has mass and occupies space
C. Anything that can be seen
D. Anything that produces heat
2. Which of the following is NOT classified as matter?
A. Oxygen gas
B. Plasma
C. Sound waves
D. Ice
3. Which property of matter is independent of the amount of substance present?
A. Mass
B. Volume
C. Density
D. Weight
4. Which state of matter has particles that vibrate in fixed positions?
A. Solid
B. Liquid
C. Gas
D. Plasma
5. In which state of matter do particles have the greatest freedom of motion?
A. Solid
B. Liquid
C. Gas
D. All are equal
6. What happens to particle motion as temperature increases?
A. It decreases
B. It stops
C. It remains constant
D. It increases
7. Which phase change requires energy to be absorbed?
A. Freezing
B. Condensation
C. Deposition
D. Vaporization
8. Sublimation is the process in which:
A. A liquid turns into a solid
B. A solid turns directly into a gas
C. A gas turns into a liquid
D. A gas turns into a solid
9. Plasma differs from gas because plasma:
A. Has no mass
B. Has a definite shape
C. Contains ionized particles
D. Is colder than gas
10. Density is mathematically expressed as:
A. Volume ÷ mass
B. Mass ÷ volume
C. Weight × volume
D. Mass × temperature
11. Which factor does NOT affect the density of a substance?
A. Temperature
B. Pressure
C. Mass
D. State of matter
12. Which change is a physical change of matter?
A. Rusting of iron
B. Burning of wood
C. Melting of ice
D. Digestion of food
13. Chemical properties describe a substance’s ability to:
A. Change size
B. Change shape
C. Undergo chemical reactions
D. Change temperature
14. Which of the following is an intensive property of matter?
A. Mass
B. Volume
C. Length
D. Melting point
15. Which law states that matter is neither created nor destroyed in a chemical reaction?
A. Law of Definite Proportions
B. Law of Multiple Proportions
C. Law of Conservation of Mass
D. Boyle’s Law
16. What best explains why gases are compressible?
A. Their particles are tightly packed
B. Their particles have strong attractions
C. Their particles are far apart
D. Their particles vibrate in place
17. Which state of matter has a definite volume but an indefinite shape?
A. Solid
B. Liquid
C. Gas
D. Plasma
18. Which process occurs when a gas changes directly into a solid?
A. Condensation
B. Freezing
C. Deposition
D. Sublimation
19. Which statement best describes matter at the molecular level?
A. Particles are motionless
B. Particles move randomly and continuously
C. Particles are only affected by gravity
D. Particles exist only in solids
20. Why is the particle model of matter important?
A. It explains only physical changes
B. It explains only chemical reactions
C. It explains the behavior and changes of matter
D. It applies only to gases
